The two advancements in technology that made the deciphering of the genetic code possible are given below:
The capability to form proteins from RNA in cell-free systems. The capability to form RNA molecules with a specified sequence. What do you mean by Genetic code?Genetic code may be defined as the arrangement of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) that distinguishes the amino acid sequence of proteins.
Proteins are synthesized by RNA molecules by the process of translation in the cytoplasm of the cell. On the other hand, RNA molecules get synthesized by the process of transcription in the nucleus of the cell itself.
Therefore, it is well described.
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blank uses moving air and doesnt pollute the atmosphere. blank uses dead plant matter, and burning it releases carbon emissions into the atmosphere
Answer:
WInd energy uses moving air and doesn't pollute the atmosphere. Biomass energy uses dead plant matter, and burning it releases carbon emissions into the atmosphere.
Explanation:
Wind turbines use moving air and do not pollute the atmosphere. Decomposers use dead plant matter, and burning it releases carbon emissions into the atmosphere.
What do you mean by Atmosphere?An Atmosphere may be defined as the layers of gases surrounding a planet or other celestial body.
When dead plant matter decays, it creates a layer of organic carbon which later becomes oil, coal, and natural gases. Wind turbines make the wind artificially with the help of air which facilitates rotating turbines.
Therefore, it is well described above.
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The major regions of the kidney are the outer region, called the __________, and the inner region, called the __________.
The major regions of the kidney are the outer region, called the renal cortex and the inner region, called the renal medulla
In order words, the two major regions of the kidney are the the cortex and medulla.
What is kidney?The kidneys are a pair of bean shaped organ in the body which has the following functions:
It helps to balance the body fluidsIt helps to remove unwanted toxic waste substances from the bodyIt controls the production of red blood cellsThe kidneys also helps to release hormones that regulate blood pressure.Learn more about the kidneys:
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After several days near a window, a house plant began to grow toward the window. This growth pattern occurred because-
a. ) cells in the stem are activated when they are exposed to light
b. ) vascular tissue is distributed evenly throughout the
c. ) auxins prevent the growth of cells in the stem
d. ) hormones stimulate the growth of cells on the dark side of the plant
Answer:
D
Explanation:
You are adding new life to the ecosystem.
What will happen to the frequency of the recessive allele for the hbs gene when there is an outbreak of malaria? the frequency will increase. the frequency will decrease. the frequency will remain constant. it is impossible to predict how the allele frequency will change. the frequency will be cut in half with each generation.
In the outbreak of malaria, the frequency of the recessive allele for the HbS gene will increase. The correct option is A.
What is the HbS gene?HbS is a beta-globin gene known as sickle hemoglobin.
It causes sickle cell disease in humans.
The disease is expressed by two HbS variants or one HbS variant or one another beta-globin gene.
Malaria is caused by the plasmodium parasite, which is present in the saliva of the mosquito.
Thus, the correct option is A, the frequency will increase.
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Answer:
A. SORRY IF IM WRONG
Explanation:
2022
If these patients were treated with antibiotics, what clue would this have given doctors about the
disease's pathogen?
If patients were treated with antibiotics, then the disease's pathogen is a bacteria capable of infecting human beings.
What are antibiotics?Antibiotics are specific drugs used to treat bacterial infections, which can b used both in humans and animals.
Some of the most commonly used antibiotics include penicillins, cephalosporins, and aminoglycosides.
In conclusion, if patients were treated with antibiotics, then the disease's pathogen is a bacteria capable of infecting human beings.
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what ocean acidification mean for the world ocean
Answer:
make hard shells and skeletons by combining calcium and carbonate from seawater
Explanation:
Plants serve many roles in an ecosystem.
Plants serve as a food source for other organisms.
Plants produce oxygen through the process of photosynthesis.
Plants can provide habitats for animals.
Plants can make and preserve soil.
Plants can also be transformed into useful products for people.
Which of the following is an example of a product that can be made from plants?
A.
paper
B.
resins
C.
medicine
D.
all of these
I will mark whoever answers correctly will get marked as the brainliest!!!!!!!!! How does the human digestive system work and why is it so complicated?
Answer:
this is your answer
Explanation:
The digestive system converts the foods we eat into their simplest forms, like glucose (sugars), amino acids (that make up protein) or fatty acids (that make up fats). The broken-down food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body.A diagram of the human digestive system.
In a nutshell, digestion involves breaking down large food molecules into water-soluble molecules that can be passed into the blood and transported to the body’s organs.
For instance, carbohydrates are broken down into glucose, proteins into amino acids, and fats into fatty acids and glycerol.
The digestive system involves “hollow” organs and “solid” organs.
Food travels through the hollow organs — mouth, esophagus, stomach, small intestine, large intestine, and anus.
The solid organs — pancreas, liver, and gallbladder — add various products into the mix.
Aside from the solid and hollow organs, the nervous and circulatory systems are also important in digestion, as are the bacteria that live in the gut.
Answer:
Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules, digestion is a complicated process that takes place in our gut. Although food contains all of the nutrients we need for good health, they are locked up in large, complex compounds. So that they can be used by the body, they must first be broken into smaller parts by the process of digestion.
what do you think might happen to the pressure in the pump during filling of the valve in the right flow tube become leaky
The pressure will decrease when valve in the right flow tube become leaky.
What is Pressure?This is defined as the force per unit area of a substance. Volume is directly proportional to the pressure of a substance.
When there is a leakage, the volume decreases which leads to a corresponding decrease in the pressure.
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What is made of a single, long molecule of DNA?
Answer:
Chromosome is the answer
hi i dont know what subjects these fall in: (
different for each bullet point, (chem physics, or biology)
- acids and alkalis
- sound
- ecosystems
- atoms, elements and compounds
- energy
hope it helps...!!!
Which statement best describes why a cell spends the majority of its time in interphase
The cell spends the majority of its time in interphase because it is the phase where adequate preparation for nuclear division occurs.
What is cell cycle?The cell cycle refers to the series of processes that leads to the formation of daughter cells from a single cell.
The cell cycle involves two phases majorly:
interphasemitotic phaseThe interphase is also called the resting phase of the cell cycle. It is the phase where the cell performs the following actions in preparation for nuclear division:
DNA replicationcell enlargementduplication of certain organellesTherefore, the cell spends the majority of its time in interphase because it is the phase where adequate preparation for nuclear division occurs.
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What is the key difference between primary and secondary succession?.
Answer: Primary succession occurs in an environment without previous life, or a barren habitat. Secondary succession occurs in an area that had previously been inhabited but experienced a disturbance, such as a wildfire. The newly created volcanic island has no previous life, and is made of rock, devoid of soil.
Explanation:
The cohesion of water molecules, their adhesion to the walls of narrow tubes, and the resulting rise of water in the tubes is called
Answer:
the answer is Capillarity
PLEASEEE HELPPP
THANK YOU!!
The cladogram above diagrams the evolutionary history of chordates. Which structural adaptation led to greater motion and a more diverse diet?
A) lungs B) true bone C) vertebrate D) jaws and paired appendages
Answer:
D) Jaws and paired appendages
Explanation:
PLS HELP ME ILL GIVE YOU BRAINIEST!!!
Answer:
Carbon Dioxide and Water
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
Answer:
The plant take enerygy to the sun and makes food in the leaves. carbon dioxide enters the leaf through tiny pores called Stomata. Sucrose, glucose, and fructose are found naturally in all plants, and are the basis for all food energy. The sugars that plants produce are stored in the root, leaf, seed, or fruit of the plant.
Explanation:
rewright in your words
A neuron membrane potential moves from -90 mV to -80 mV in response to a brief stimulation. We would term this change in potential as a(n)
Answer:
What behavior is observed if the voltage across a neuronal membrane is set to -20 mV? The voltage-gated sodium and potassium channels both remain closed. The sodium channel opens, and Na+ ions flow out.
The membrane begins to depolarize when an external stimulus is applied. The membrane voltage begins a rapid rise toward +30 mV. The membrane voltage starts to return to a negative value. Repolarization continues past the resting membrane voltage, resulting in hyperpolarization
A neuron membrane potential moves from -90 mV to -80 mV in response to a brief stimulation this change in potential as a(n) Depolarization.
What is Hyperpolarization ?Hyperpolarization is while the membrane ability turns into extra terrible at a selected spot at the neuron's membrane, whilst depolarization is while the membrane ability turns into much less terrible (extra high quality).
Depolarization. A depolarization refers to a motion of the resting membrane ability in a extra high quality direction (in the direction of zero mV).
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A suggested and testable explanation for an event is called a:.
Answer:
the answer to that question is incident
Explanation:
please put me in Brain list
Which process makes a copy of a DNA
molecule?
A. mutation
B. replication
C. transcription
D. translation
Answer:
replication
Explanation:
makes cope of itself during cell division
In the debate on global warming, what changes are listed as a result of burning fossil fuels? (select all that apply)
Question 4 options:
rising sea levels
stable temperatures from year to year
extreme weather
glacier melting
When it comes to global warming, some of its associated effects include rising sea levels, extreme weather events, and melting glaciers.
Global warmingGlobal warming refers to the rise in the average global temperature as a result of an increase in the concentration of greenhouse gases in the atmosphere.
Burning of fossil fuels increases the level of greenhouse gases such as carbon dioxide and oxides of sulfur in the atmosphere. These gases form a radiation absorbing blanket over the atmosphere and prevent reflected radiation from the sun from returning back to space.
The increase in global temperature results in the melting of the polar ice caps and glaciers with the water being discharged into the various seas of the world. Thus, causing a rise in their normal levels.
Increase in global temperature also causes extreme weather events such as drought, flooding, etc, as a result of erratic climate.
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Answer: Global warming, some of the effects of global include rising sea levels, extreme weather events, and melting glaciers
Penicillin is an antibiotic drug that interferes with peptidoglycan synthesis in bacteria, eventually resulting in cell death. What effect would you predict if you applied penicillin to archaea
Since penicillin interferes with peptidoglycan synthesis, it means that the drug will have no effects on archaea.
Archaea cell wallsThe cell wall of archaea consists mostly of polysaccharides and glycoconjugates. In order words, the cell walls of archaea lack peptidoglycan.
Since penicillin kills bacteria by interfering with the synthesis of peptidoglycan, it simply means that the drug will have no effect on archaea, since they do not have peptidoglycan in their cell walls.
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What evidence is there to show that continental glaciers once covered South Africa?
____________ in rocks.
Answer:
Glacial striation is your answer
A phylogenetic tree is shown.
Which two organisms are most closely related to each other?
A Pacific electric ray and pufferfish
B pufferfish and swellfish
C zebrafish and mouse
D sharks and human
Answer:
pufferfish and swellfish
Explanation:
they are in the same little catagory thing, meaning they came from the same time period. they are the closest related animals in the diagram. i hope this helped! have an awesome, amazing day! (:
During fetal development, the gubernaculum guides the testis through the _____________________ canal.
During fetal developement, the gubernaculum guides the testis through the inguinal canal in the groin
What is Fetal Developement?Fetal developement is a stage in child forming process, it basically involves the formation of the embryo and also the foetus.
It should be noted that the gestation period for humans is nine months.
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The cell cycle is regulated by checkpoints during the _______ phases.
Answer:
the end of G1 phase, end of G2 phase, and partway through M phase (the spindle checkpoint) to regulate the cell cycle.
Explanation:
Write characteristic and function about plastids
Explanation:
CHARACTERISTICS : Plastids are double-membrane organelles that are found in the cells of plants and algae. Plastids are responsible for the manufacturing and storing of food. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell. Plastid is a membrane-bound organelle found in the cell of plants, algae and a few eukaryotic cells.FUNCTION : Plastids are the cytoplasmic organelles found only in plant cells. On the basis of pigments present, plastids are of three types: (i) Leucoplasts (colourless plastids) (ii) Chloroplasts (green coloured plastids)(iii) Chromoplasts (coloured plastids other than green). Leucoplasts are for storage of starch grain and oil drops. Such colourless plastids are present in underground roots, stems. Chloroplasts are mainly for photosynthesis. They are present in leaves. Chromoplasts are responsible for the characteristic colour of flower and fruit. They are involved in attracting insects, various vectors for pollination and for fruit dispersal.Select the correct answer from each drop-down menu. the source of energy shown in the image is . a drawback of building a dam is that .
The drawback of building a dam is that the Reservoirs often emit a high percentage of greenhouse gases.
What do you mean by green house gases?Gases in the earth's atmosphere that trap heat are called greenhouse gases. The sun warms the earth's surface as it shines through the atmosphere during the day. The earth's surface cools down at night, releasing heat into the air.
Gases that can hold heat are known as greenhouse gases. They get their name from nurseries. A nursery is loaded with windows that let in daylight. That daylight makes warmth.
The process by which "greenhouse gases" trap heat close to the Earth's surface is known as the "greenhouse effect." These intensity catching gases can be considered a sweeping folded over Earth.
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what does cell differentiation most regulated by?
Answer:
The process of cell differentiation results in the production of many types of cells, including germ, somatic, and stem cells. Cell differentiation is most directly regulated by: ATP.
Explanation:
In three to five sentences, construct an argument for the claim that natural selection leads to evolution. Provide evidence for this claim, and be sure to explain how an organism shows the four parts of the process of natural selection. You may use any organism with the exception of bacteria and antibiotic resistance
Answer:
Natural selection leads to evolution due to the way reproduction works. In the example of European moths during the industrial revolution, we can see this clearly. When the industrial revolution was going, there was more pollution, hence darkening the skies and leaving ash. Moths, which before were white with occasional black spots dominated the area until pollution effected their environment. Whiter moths were eaten by bird who could easily see them against the black trees and skies. These moths could no longer reproduce, they were dead. Moths with more black could survive longer to reproduce because they were harder to see. As time went along, the moths turned mostly black, showing an example of evolution.
A drug that constricts blood vessels would have which of the following direct effects?
Increase blood flow and heart rate
Decrease heart rate
Increase blood pressure
Decrease blood pressure
Answer:
hey dude here is your answeranswer
option c
INCREASE BLOOD PRESSURE
drug that constricts blood vessels would have which of the following direct effects?
INCREASE BLOOD PRESSURE
hope it's helpful thanks