The time since a common ancestor of humans and mice for the pseudogene sequence is around 92 million years.
How can we calculate time in term of common ancestor?
The number of base differences between humans and mice in the pseudogene sequence is 368 out of 1000 bp.
The mutation rate given is 2 x 10⁻⁹ mutations/bp/year, which means that on average, one mutation occurs per 2 x 10⁹ base pairs per year.
To estimate the time since a common ancestor of humans and mice, we can use the molecular clock formula:
Time = Number of differences / Mutation rate / 2
The "2" in the denominator accounts for the fact that both humans and mice have been accumulating mutations since they diverged from their common ancestor.
Substituting the values given:
Time = 368 / (2 x 10⁻⁹) / 2
Time = 92,000,000 years
Therefore, we can estimate that the time since a common ancestor of humans and mice for the pseudogene sequence is around 92 million years.
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if the heritability (narrow sense) of horn length is constant at 0.5, and the mean before any selection (generation 0) was 2.75 mm, what would be the mean values of horn length in each generation?
the mean horn length in the next generation would be expected to increase by 0.375 mm.
Without additional information on the breeding population and the selection process, it is not possible to accurately predict the mean values of horn length in each generation.
However, the Breeder's Equation can be used as a rough estimate:
Response to selection = Selection differential x Heritability
For example, if the top 20% of individuals with the longest horns are selected for breeding and the mean horn length of this group is 3.5 mm, while the mean horn length of the entire population is 2.75 mm, the selection differential would be 0.75 mm (3.5 mm - 2.75 mm).
Assuming a heritability of 0.5, the expected response to selection would be:
Response to selection = [tex]0.5 x 0.75 mm = 0.375 mm[/tex]
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if the extracellular fluid (ecf) becomes hypotonic with respect to the intracellular fluid (icf), which event will likely occur?
The event likely to occur when the ECF becomes hypotonic with respect to ICF is: (1) The fluid will move from ECF to ICF.
Hypotonic solution is the one which has low concentration of solutes but high concentration of water or solvent. When any cell or other solution is placed in the hypotonic solution the movement of water is from hypotonic solution to the other solution or cell.
ECF is the fluid present outside of the cells. This fluid can be present in lymph, in the blood, in the body cavities and channels of the brain and spinal cord. The exchange of substances between the cells and the rest of the body is mediated by the ECF.
Therefore the correct answer is option 1.
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The given question is incomplete, the complete question is:
If the extracellular fluid (ECF) becomes hypotonic with respect to the intracellular fluid (ICF), which event will likely occur?
The fluid will move from ECF to ICF.The fluid will move from ICF to ECF.There will me no changes.in a hypothetical situation, a gene in cats that causes softened foot pads is slightly maladaptive. the gene for softened foot pads is linked to the gene for a fur color pattern that is highly adaptive. the result is that both the softened foot pad condition and the fur color pattern increase in a cat population over ten generations. this scenario supports which of the following statements? elimination tool select one answer a evolution is a guided process of perfection that tends toward more perfect populations. b the overall phenotype of an organism is often the result of adaptive compromises. c fur color is always a more important influence of fitness than toughness of the foot pads. d because polygenic traits are maladaptive, they will become less common in future generation
This scenario supports the overall phenotype of an organism is often the result of adaptive compromises.
The scenario described supports the statement that the overall phenotype of an organism is often the result of adaptive compromises. In this hypothetical situation, the gene for softened foot pads is slightly maladaptive, but it is linked to a highly adaptive fur color pattern gene.
As a result, both traits increase in the cat population over time, indicating that there is a trade-off or compromise between the maladaptive trait and the highly adaptive trait. This is an example of how natural selection can favor the overall phenotype of an organism, which is the result of a balance between various traits and their adaptive value.
Hence, the correct option is b.
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Which of the following choices BEST explains how the sequence of nucleic acids that make up the genetic code is translated into the amino acid sequence in proteins?
A
A sequence of three nucleic acids in messenger RNA determines a sequence of three nucleic acids in transfer RNA which determines three amino acids in a protein.
B
A sequence of three nucleic acids in ribosomal RNA determines a sequence of three nucleic acids in transfer RNA which determines two amino acids in a protein.
C
A sequence of three nucleic acids in DNA determines a sequence of three nucleic acids in messenger RNA which determines one amino acid in a protein.
D
A sequence of three nucleic acids in DNA determines a sequence of three nucleic acids in ribosomal RNA which determines one amino acid in a protein.
Option A is Correct. A sequence of three nucleic acids in messenger RNA determines a sequence of three nucleic acids in transfer RNA which determines three amino acids in a protein in protein synthesis.
The amino acid sequence in proteins is translated from the sequence of nucleic acids that make up the genetic code. An mRNA that is translated into an amino acid sequence by a tRNA.
The process of creating protein molecules through the synthesis of amino acids is known as protein synthesis. Transcription and translation, which take place in the nucleus and ribosomes, respectively, are the two steps in the process of protein synthesis. DNA is copied during the transcription process.
The genetic code of the DNA copy that the preceding mRNA carried is translated during the translation process. Polypeptides, a component of protein, are created during the translation of the genetic code. The three steps of this process are as follows: initiation, when the mRNA carries the DNA codons to the ribosome. The second step is called elongation, and it involves translating the codons contained by the mRNA into amino acids to create a polypeptide chain. One of the stop codons finally contacts the ribosome at the termination.
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NEED ASAP 100pts + BRAINLIEST!!
Answer:
(A) Pandemic
(B) Epidemic
(C) Epidemiology
(D) Contact Tracing
Explanation:
Answer:
Answer:(A) Pandemic
Answer:(A) Pandemic(B) Epidemic
Answer:(A) Pandemic(B) Epidemic(C) Epidemiology
Answer:(A) Pandemic(B) Epidemic(C) Epidemiology(D) Contact Tracing
Answer:(A) Pandemic(B) Epidemic(C) Epidemiology(D) Contact TracingExplanation:
please make me brainalist and keep smiling dude
anybody can answer these ?.
Answer:
1. infection or inflammation in your body.
2. immune system and skeletal system
3. RBCs carry oxygen throughout the body, while WBCs fight off infection. RBCs are also smaller and have a concave shape, while WBCs are larger and have different shapes. Finally, RBCs contain hemoglobin, while WBCs do not.
4. Their primary function is to prevent and stop bleeding
5. If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and form a plug (clot) to fix the damage. The process of spreading across the surface of a damaged blood vessel to stop bleeding is called adhesion.
6. Upon activation, platelets expose a variety of membrane receptors, and release soluble mediators that regulate inflammation and other immune responses
Explanation:
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Which of the following should you do to protect yourself from infection if you're taking care of someone who has the flu?
A Give the infected person a few liquids.
B Disinfect objects the infected person has touched.
C Give the infected person a vaccine.
D Take the infected person to a crowded place.
Disinfect objects the infected person has touched.
What should you do if you've been exposed to the flu?Most physicians also wait until the flu symptoms manifest before prescribing medication. Within 24 hours of exposure, contact your doctor if your child is at high risk. If an antiviral is required, your doctor will make that decision. Those at high risk who have recently had close contact should also consult their physician.
How should a person with a fever be treated?Relax and replenish your hydration intake. No medication is required. If you get a strong headache, stiff neck, shortness of breath, or any other unusual signs or symptoms in addition to the temperature, call your doctor right once. Use acetaminophen (Tylenol, other), ibuprofen (Advil, Motrin IB, other), or aspirin if you're feeling uncomfortable.
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the disease discussed in the animation is caused by a recessive allele. recessive alleles frequently do not produce a protein product. dominant alleles, on the other hand, may produce a harmful protein. how might treating a dominant disorder with gene therapy differ from treating a recessive disorder with gene therapy, as discussed in the video?
The dominant disease allele must be rendered inactive in order to prevent it from generating the dangerous protein.
In contrast to dominant alleles, which require inactivation and replacement by gene therapy, recessive alleles just need to be replaced.
In addition, a novel method for genetic engineering known as CRISPR that can be used to deliberately delete DNA sequences like dominant alleles from the genome has been approved.
While CRISPR-based genome editing has the power to correct disease-causing mutations, it must also account for the wide range of individual genetic variants that occur naturally.
The single guide RNA (sgRNA) and genomic DNA mismatches may have a negative effect on sgRNA efficiency and result in imprecise specificity prediction, according to previous research.
Hence, the genetic diversity is a significant difficulty for the design of platinum RNAs in broad human populations.
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cross-fostering experiments with norway rat pups showed that in their response to stress,a) environment was the critical factor, not genetics.b) genetics was the only important factor.c) both genetics and the environment played a clear role.d) cross-fostered pups resembled their biological mothers more than their foster mothers
The correct answer is c) Cross-fostering studies with Norway rat pups demonstrated that both genetics and environment clearly influenced how the rats responded to stress.
Norway rat offspring used in cross-fostering studies have demonstrated that both heredity and surroundings affect how well they respond to stress.
Researchers were able to differentiate between hereditary and environmental variables that affect behavior in these studies because the moms who reared the rat offspring were genetically unconnected to them.
These studies' findings indicate that rodent behavior, including its stress reaction, can be significantly influenced by both heredity and environment. This indicates that a complicated interplay between environmental and genetic factors influences the formation of stress reactions.
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describe the differences from the hair distribution of hair on the front and the back of your forearm
Answer:. Anterior has less hair because it has a thinner layer of skin. The posterior of your forearm has more hair because it has a thicker layer of skin.
Explanation:
[tex]\blue{\huge {\mathrm{HAIR \; DISTRIBUTION}}}[/tex]
[tex]\\[/tex]
[tex]{===========================================}[/tex]
[tex]{\underline{\huge \mathbb{Q} {\large \mathrm {UESTION : }}}}[/tex]
Describe the differences from the hair distribution of hair on the front and the back of your forearm.[tex]{===========================================}[/tex]
[tex] {\underline{\huge \mathbb{A} {\large \mathrm {NSWER : }}}} [/tex]
The hair distribution on the front and back of the forearm can differ in terms of density and length. On the front of the forearm, the hair tends to be shorter and thinner, and the density is usually lower. This is because the skin on the front of the forearm is thinner than on the back, and there are fewer hair follicles in this area.
The hair on the front of the forearm is also often lighter in color. On the back of the forearm, the hair tends to be longer and thicker, and the density is usually higher. This is because the skin on the back of the forearm is thicker, and there are more hair follicles in this area. The hair on the back of the forearm is often darker in color.
Overall, the differences in hair distribution between the front and back of the forearm are due to variations in skin thickness and the number of hair follicles in these regions.
[tex]{===========================================}[/tex]
[tex]- \large\sf\copyright \: \large\tt{AriesLaveau}\large\qquad\qquad\qquad\qquad\qquad\qquad\tt 04/02/2023[/tex]
I need the answer to all front and back please and number them
Natural selection could lead to a change in allele frequency if the lighter green frogs are being predated on more often, reducing their chances of surviving and reproducing.
What is the selection about?Over time, this could result in a higher frequency of darker green alleles in the population, as those frogs would have a higher chance of surviving and passing on their alleles to the next generation.
2. Natural selection produces a change in populations rather than individuals. It operates on the heritable traits of individuals, but its effect is seen in the frequency of those traits in the population over time.
3. Fitness refers to an organism's ability to survive and reproduce in a given environment. Natural selection favors traits that increase an organism's fitness, as these traits increase the chances that the organism will pass on its genes to the next generation.
4. No, organisms with higher fitness do not necessarily survive to an advanced age. Fitness refers to an organism's ability to survive and reproduce, not necessarily to its lifespan. Some organisms may have high fitness and reproduce at a young age, while others may have lower fitness but live longer.
5. Fitness and survival do not have the same meaning. Survival refers to an organism's ability to stay alive, while fitness refers to an organism's ability to survive and reproduce in a given environment.
6. No, an organism with high biological fitness in one environment may not have high fitness in another environment. Fitness is dependent on the specific environmental conditions, and what traits confer fitness in one environment may not be advantageous in another environment.
7. Both Bernadette and Dominique have valid points. Antibiotic resistance can arise through the development of new traits in response to antibiotics, but there may also be pre-existing traits in the population that allow some bacteria to survive and reproduce in the presence of antibiotics. Both mechanisms can contribute to the evolution of antibiotic resistance.
8. Natural selection is a non-directional process and does not give organisms what they want or need. Rather, it operates on the variation that already exists in the population, favoring traits that increase fitness in a given environment.
Lastly, 9.If there are no organisms in a population with traits that allow them to survive the environmental change, the population may decline or go extinct. However, if there is genetic variation in the population, it is possible that new traits could arise through mutation or recombination that allow some individuals to survive and reproduce in the new environment.
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See text below
Amoeba Sisters Video Recap: Natural Selection
1. Populations can have variety, despite being made up of
the same species. If a population has different expressed
traits, this can be due to different inherited alleles. The
frogs below are the same species, but they have different
shades of green based on their inherited alleles. In a
particular environment, lighter green frogs are easier to see
by predators. Explain how natural selection could lead to a
change in allele frequency.
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
2. Natural selection is an example of a mechanism of
evolution. Does this mechanism produce a change in
individuals or populations? Explain!
3. A major point of understanding natural selection is that not all organisms in a
population get to reproduce. Consider the term fitness as used in biology. How does
this term relate to naturalselection?
4. Based on your answer above, do organisms with higher fitness mean that they have survived to an advanced age? Why
or why not?
5. Does fitness(as used in biology) and survival have the same meaning? Why or why not?
6. If an organism has high biological fitness in one environment, does that mean that it would also have high biological
fitness in another environment? Why or why not?
What are keytones?
It is the sugar found in the urine
It is the liquid waste made by the kidneys when they clean and filter the blood.
They are various bacteria found in the urine.
The organic compounds found in the urine
Ketones are organic compounds that contain a carbonyl group (C=O) bonded to two other carbon atoms in a chain. They are produced by the liver when the body is unable to metabolize glucose for energy and instead breaks down fat stores.
What is the difference between ketones and glucose?Ketones are organic compounds produced by the liver when the body is unable to metabolize glucose for energy. Glucose, on the other hand, is a type of sugar that is the primary source of energy for the body's cells.
What are some potential health risks associated with high levels of ketones in the blood or urine?High levels of ketones in the blood or urine can be a sign of diabetic ketoacidosis, a serious complication of diabetes that can lead to coma or death if left untreated.
Other potential health risks associated with high levels of ketones include dehydration, electrolyte imbalances, and damage to the liver, kidneys, and other organs.
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a phenotypically normal woman marries a man who is heterozygous for cmt disease, an autosomal dominant disorder. they have a son who has cmt disease. what were the chances he would inherit the disease? (if necessary, draw a punnett square to determine the answer.)
In the case of a phenotypically normal woman marrying a man who is heterozygous for CMT disease, an autosomal dominant disorder, the chances that their son would inherit the disease are 50%.
The woman in this case is phenotypically normal, which implies she does not have CMT illness. The man has CMT disease and is heterozygous for it, which means he has one normal copy and one mutant copy of the gene.
The boy acquired one copy of the mutant gene from his father, giving him a 50% chance of acquiring the condition.
Thus, their son has a 50% risk of inheriting the condition.
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Part B
Hurricanes get their energy from warmer water. According to the following surface temperature map, is the hurricane
path you predicted in part A traveling into areas of higher or lower energy? What effect will this likely have on the
hurricane's wind speeds?
Answer: The hurricane path is traveling into areas of lower energy. This will likely weaken the hurricane’s wind speeds.
Explanation: Long explanation: Hurricanes get their energy from warm ocean waters, which provide the heat and moisture needed for a storm to intensify. Usually, the surface water temperature must be 26 degrees Celsius (79 degrees Fahrenheit) or higher for a hurricane to form. As hurricanes move over cooler water, they lose their energy source and start to weaken. According to the surface temperature map, the hurricane path is moving from warmer water (red and orange colors) to cooler water (green and blue colors). This means that the hurricane is traveling into areas of lower energy, where it will have less fuel to sustain its strong winds. Another factor that affects hurricane wind speed is vertical wind shear, which is the rate at which wind speed or direction changes with height. High wind shear can disrupt the structure and circulation of a hurricane, making it harder for the storm to maintain its intensity. According to the map, the hurricane path is also moving into areas of higher wind shear (purple colors), which will further weaken the storm. Therefore, based on the surface temperature map and the wind shear map, the hurricane path is traveling into areas of lower energy and higher wind shear, which will likely reduce the hurricane’s wind speeds over time.
Hope this helps, and have a great day! =)
Answer:
The path of the storm is moving into places with lower energy. This will probably slow down the winds of the hurricane.
Explanation:
plato
The mouth is the first site of a process known as chemical digestion in humans. Your saliva starts the process of chemically breaking down the food you eat. Keeping this in mind, what type of organelle do believe would be numerous inside the cells of your mouth? What chemical characteristics would this organelle need to have in order to efficiently do this process?
The type of organelle that would be numerous inside the cells of the mouth is the lysosome. Lysosomes contain enzymes that can digest all types of biomolecules, including proteins, carbohydrates, and lipids. The enzymes inside lysosomes function best at an acidic pH, which means that this organelle would need to have the ability to maintain an acidic environment in order to efficiently carry out the chemical digestion process. Additionally, lysosomes would need to be able to fuse with food vacuoles formed by the cells in the mouth, allowing the enzymes to break down the food into smaller, more manageable components.
Answer:
The organelle that is likely to be numerous inside the cells of the mouth is the lysosome. Lysosomes are membrane-bound organelles that contain digestive enzymes and are responsible for the breakdown of cellular waste and macromolecules.
In the case of the mouth, the digestive enzymes present in the lysosomes of the oral epithelial cells help to break down food particles that have been taken in during the process of ingestion. These enzymes are released into the oral cavity along with the saliva, and they help to initiate the process of chemical digestion.
For this process to be efficient, the lysosomal enzymes need to have several chemical characteristics. They must be able to work at a specific pH, which is typically acidic. This is important because the pH of the oral cavity is slightly acidic, and the enzymes must be able to function optimally within this environment. Additionally, the enzymes must be able to break down a wide variety of macromolecules, such as proteins, carbohydrates, and lipids, which are found in the foods we eat.
Furthermore, the lysosomal enzymes must be able to recognize specific molecular structures present in the food particles and selectively target them for breakdown. This specificity is essential to prevent the enzymes from breaking down healthy tissues in the mouth and causing damage.
Overall, the numerous lysosomes present within the cells of the mouth and their specialized digestive enzymes are essential for the efficient process of chemical digestion and the breakdown of food particles.
Explanation:
how does evidence from comparative anatomy, developmental biology, and DNA sequencing improve our understanding of evolution
DNA sequencing, developmental biology, and comparative anatomy are some of the significant evidence sources that help us comprehend evolution in many ways.
How can comparative anatomy show that evolution has taken place?Comparative anatomy is the study of structural resemblances and differences among various species. Structures that are homologous or equivalent to one another make up similar bodily parts. Both offer proof of evolution.
How does anatomy aid our comprehension of evolution?Anatomical similarities, such as those found in tetrapod limbs, are used to support a shared evolutionary history. To put it another way, these commonalities imply that humans, pterodactyls, bats, hawks, and whales all descended from a single ancestor at some point in the distant past.
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cells that are most commonly active during chronic infections are: a. lymphocytes, monocytes, and plasma cells. b. polymorphonuclear leukocytes, monocytes, and mast cells. c. complement and bradykinins. d. none of the above.
The cells that are most commonly active during chronic infections are lymphocytes, monocytes, and plasma cells. Therefore, option (a) is correct.
Lymphocytes are white blood cells that play a significant role in the body's immune system. Lymphocytes can be classified into two types: B cells and T cells. They help the body identify antigens, viruses, and bacteria. Monocytes are a type of white blood cell that has a single, large nucleus and are produced in the bone marrow. They play a crucial role in the body's immune system by assisting in the identification and destruction of foreign cells and viruses.
Plasma cells are white blood cells that secrete antibodies that aid in the body's defense against diseases. Antibodies are proteins that help the body identify and attack foreign cells, viruses, and bacteria. Plasma cells are formed from B cells and are found in the bone marrow. The cells that are most commonly active during chronic infections are lymphocytes, monocytes, and plasma cells. Polymorphonuclear leukocytes, mast cells, complement, and bradykinins are not the cells that are most commonly active during chronic infections.
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a diet that is deficient in carbohydrate will ultimately force the liver and, to a lesser extent, the kidneys to . a. produce glucose from amino acids b. convert glucose to glycogen in the liver c. use fat stores to synthesize glucose d. all of the above will occur.
One of the primary ways that the liver will respond to a lack of carbohydrates is by producing glucose from amino acids. This process, known as gluconeogenesis, is essential for maintaining a steady supply of glucose to the brain and other organs.
As a question answering bot, it is important to always provide factually accurate and professional responses that are also friendly and concise. When answering questions, it is important to provide a step-by-step explanation that is clear and easy to understand.
When it comes to a diet that is deficient in carbohydrates, there are a number of different ways that the body will respond. In particular, the liver and kidneys will be forced to take on additional responsibilities as the body tries to maintain a stable blood glucose level.
By converting amino acids into glucose, the liver can help to prevent hypoglycemia and other negative effects of low blood sugar.
Another way that the liver will respond to a lack of carbohydrates is by converting glucose to glycogen. This process, known as glycogenesis, is also essential for maintaining a stable blood glucose level. By converting glucose to glycogen, the liver can help to store glucose for later use, which can be particularly helpful during periods of fasting or exercise.
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An organism can only be part of one food chain.
A
True
B
False
Answer:
False an organism can participate in multiple food chains and very often do
if the genetic contribution to variation in a trait is negligible: then for that trait dizygotic twins will be more similar to one another than monozygotic twins are to one another. none of the other answer options is correct. then for that trait monozygotic twins will be more similar to one another than fraternal twins are to one another. then for that trait monozygotic twins will resemble one another more closely than do any other siblings. then for that trait monozygotic twins will be no more similar to one another than are dizygotic twins.
If the genetic contribution to variation in a trait is negligible, it means that the influence of genetics on that particular trait is very small or insignificant. In such a case, the environment plays a more significant role in determining the expression of that trait.
Considering this scenario, for that trait, monozygotic twins (identical twins) will be no more similar to one another than are dizygotic twins (fraternal twins). The reason behind this is that both monozygotic and dizygotic twins have different genetic makeup, but if genetics do not contribute much to the trait's variation, then the similarities or differences between the twins would not be due to their genetic similarities or differences.
Instead, the similarities or differences in the trait will be influenced by their shared and non-shared environmental factors. Shared environmental factors include aspects like family background, parenting styles, and socio-economic status, while non-shared environmental factors are unique to each individual, such as different friendships, experiences, or hobbies.
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Fruits and foods that we eat are the products of photosynthesis. Explain.
Fruits and foods that we eat are the products of photosynthesis because plants produce these organic compounds as a result of the process.
What is photosynthesis?Green plants, algae, and some microorganisms transform solar light energy into chemical energy in the form of oxygen and glucose through a process called photosynthesis.
This process occurs in specialized structures in the plant called chloroplasts, which contain a pigment called chlorophyll that captures the energy from sunlight.
During photosynthesis, carbon dioxide from the air is taken in through small openings in the plant's leaves called stomata. Water from the plant's roots is also absorbed into the plant and transported to the chloroplasts. In the chloroplasts, the energy from sunlight is used to convert carbon dioxide and water into glucose and oxygen.
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when an electrically excitanle cell membrane seperates concentrations of different ions like sodium and potassium it creates a more negative charge inside the cell. this is called
When an electrically excitanle cell membrane seperates concentrations of different ions like sodium and potassium it creates a more negative charge inside the cell. this is called membrane potential.
When a neuron is stimulated, such as by another neuron or a sensory receptor, its resting potential rapidly changes to a more positive value. This change in potential is called an action potential and is critical for transmitting information between cells.
During an action potential, voltage-gated ion channels in the membrane open and allow positively charged sodium ions to flow into the cell, causing a rapid rise in membrane potential known as depolarization. Once the membrane potential reaches a certain threshold, additional voltage-gated channels open and potassium ions flow out of the cell, causing repolarization and a return to the resting potential.
The rapid change in membrane potential is what allows for the transmission of electrical signals along the length of the neuron and between neurons in the nervous system. It's amazing to think that these tiny electrical fluctuations in cells are responsible for all of our thoughts, emotions, and actions.
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How important is it for
scientists to work together and
be aware of each others results?
PLEASE please please HELP!! Ive taken this 4 times and the best i can get is a 68 :( PLease I will give brainliest!! + 20 pts!!
Its Biology B
Answer:
Explanation:
b top d bottom
Explain why scientific investigation cannot prove or disprove a universal statement.
please put it in a paragraph form and specify thank youuu
Answer:
because If it cannot be somehow disproven by an experiment, then it is not scientific.
Explanation:
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What cells (inside of a leave) control gas exchange?
Answer: Guard cells are specialized plant cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore.
Explanation:
Which main plant tissue are the lines pointing to in the enlarged diagram?
The lines in the larger representations identify the ground tissue as the primary plant tissue.
What types of plant tissues make up the ground tissue system?Parenchyma, collenchyma, and schlerenchyma are some of the ground tissue cells. Parenchyma is involved in storage and photosynthesis in the roots and leaves (shoot support in areas where growth has ceased). The most prevalent and useful cell type in plants is called parenchyma.
What is the name of a plant's ground tissue?The "filler" tissue in soft parts of plants is often a flexible ground tissue called parenchyma. It also creates the cortex of roots, the mesophyll of leaves, the pulp of fruits, the endosperm of seeds, and the outer and inner regions of stems (cortex and pith).
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Question:
Which main plant tissue are the lines pointing to in the enlarged diagram?
what is the chemical equation for alcoholic fermentation after glycolysis not in words
Balanced chemical equation for the fermentation of glucose to ethanol: C6H12O6(aq) 2C2H5OH(l) + 2CO2(g) (yeast acts as a catalyst in this reaction.) As the diagram on the right displays, one molecule of Glucose produces two molecules of carbon dioxide and two molecules of ethanol.
What is the chemical equation for alcoholic fermentation?C6H12O6 (aq) 2C2H5OH(aq) + 2CO2(g) 1. Anaerobic fermentation of glucose (C6H12O6) to structure ethanol (C2H5OH) and carbon dioxide.
What are the steps in alcoholic fermentation after glycolysis?Image result for What is the chemical equation for alcoholic fermentation after glycolysis now not in words
Alcohol fermentation has two steps: glycolysis and NADH regeneration. During glycolysis, one glucose molecule is converted to two pyruvate molecules, producing two internet ATP and two NADH.
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what is a minor calyx? multiple choice question. a series of microscopic tubules that produce urine a region of cortical tissue extending into the medulla between pyramids a structure comprised of glomerular capillaries surrounded by the glomerular capsule a cuplike structure that collects urine
The minor calyx is a double-walled cup formed by an inverted tube. The calyx's interior wall fits over a pyramid's papilla. the peritoneal membrane of the papillary ducts' columnar epithelium and the minor calyx are connected.
Each pyramid's renal papillae are surrounded by a minor calyx that collects urine from that particular pyramid. One renal pyramid's papillary ducts supply urine to a minor calyx, which then distributes it to a large calyx. The urine exits the primary calyces through a huge cavity known as the and travels to the urinary bladder via the ureter.
Urine drains from the papilla into two cup-shaped organs known as the main and minor calyces. The renal pelvis' larger open space receives urine drainage from the calyces. This functions as a funnel to empty the kidney's urine into the ureter.
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A minor calyx is a cuplike structure that collects urine from the nephrons, which are the functional units of the kidneys.
The minor calyx is one of the first structures to come in contact with urine as it exits the nephron. It is the first of two calyxes that collect urine from the nephrons, with the major calyx being the second. Together, these structures form the renal pelvis, which is the beginning of the urinary tract.
The minor calyx is comprised of a structure called the glomerular capsule, which surrounds the glomerular capillaries. These capillaries are the site of filtration, where waste products and excess fluids are removed from the blood and enter the renal tubules.
The renal tubules are a series of microscopic tubules that produce urine by reabsorbing water and electrolytes and secreting waste products. In addition to its role in collecting urine, the minor calyx is also important for maintaining the concentration of electrolytes in the body.
This is because it is located in a region of cortical tissue that extends into the medulla between the pyramids. This region plays a critical role in regulating the concentration of electrolytes in the urine, which is important for maintaining proper fluid balance in the body. Overall, the minor calyx is a vital structure in the urinary system that plays a crucial role in maintaining overall health and well-being.
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which of the following approaches would be the least beneficial in trying to reduce insect damage? group of answer choices rotating crops planting monocultures delaying planting using trap crops planting barrier hedges around agricultural fields
Planting monocultures would be the least beneficial approach in trying to reduce insect damage.
This is because monocultures, which involve the planting of a single crop species over a large area, create an ideal environment for pests and diseases to thrive. Insects can easily spread and multiply in monoculture systems, as they have an abundant food source and lack of diversity in the environment.
Therefore, rotating crops, using trap crops, planting barrier hedges around agricultural fields, and delaying planting are all more effective approaches for reducing insect damage, as they can disrupt insect populations and reduce their impact on crops.
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which of the following approaches would be the least beneficial in trying to reduce insect damage? group of answer choices
rotating crops planting monocultures delaying planting using trap crops planting barrier hedges around agricultural fields