Answer:
all living organisms are made of carbon.
Explanation:
Need questions 2-11 done pls
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In mitosis, the daughter cells have the same number of chromosomes as the parent cell, while in meiosis, the daughter cells have half the number of chromosomes as the parent.meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as the parent cell.A haploid cell is a germ cell or reproductive cell-like egg or sperm that has a single set of chromosomes and it is represented by n. A diploid cell is a bodily cell or somatic cell that has two sets of chromosomes( one set from the paternal line and one set from the maternal line)From a diploid germ cell 2n =24 double stranded chromosomes, meiosis will produce four gamete haploid cells n =12 single stranded chromosomes.ovumspermGenetic variation is increased by meiosis Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. filter that blocks out unwanted frequencies to a speaker or group of speakersdescribes how different genes independently separate from one another when reproductive cells develop. I d k the last one sorryhope it helps[tex] \: \: \: \: [/tex]
Albinism is caused by a recessive mutation. If two albino mice mate and produce offspring with normal pigmentation, what could you conclude about the parental mutations
Answer: A geneticist studies a series of families in which both parents are normal and at least one child has albinism. The geneticist reasons that both parents in these families must be heterozygotes and that albinism should appear in of the children of these families. To his surprise, the geneticist finds that the frequency of albinism among me children of these families is considerably greater "Than . Can you think of an explanation for the Thigher-than-expected frequency of albinism among These families?
Explanation:
Describe how the digestive tracts of zebra and lions will differ based on their different diets.
(10 points pls help!!)
Answer: Zebras eat primary carbonation in the form of grasses keep in mind that zebras get their energy from eating grasses and lions get energy from eating the zebra
Explanation:
Gametes are ______ They have ______ the number of chromosomes.
1) diploid; double the number of
chromosomes.
2) diploid; half the number of chromosomes.
3) haploid; double half the number of chromosomes.
4) haploid; half the number of chromosomes.
Answer:
4)
Explanation:
Gametes have one haploid (n) genome, which is half of somatic cells, having one diploid (2n) genome combined through fertilization from two haploid (n) gametes.
In humans, gametes have 23 chromosomes, and somatic cells have 23 homologous pairs, which is 46 chromosomes.
Different species have different numbers, but most follow the same pattern.
Hey, I need help with this question:
Answer:
(D) two different species on the basis os reproductive behaviour
BRAINLIST PLS
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Answer:
Fibrinogen is the blood clotting protein
How do protons (hydrogen ions) move through
ATP synthase?
Answer:
Protons flow down their concentration gradient into the matrix
Explanation:
The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.
Sociologists argue that the division of the human population into two distinctive and
mutually exclusive categories, male and female, is best understood as a(n)...
A) psychological necessity.
B) biological fact.
C) accurate dichotomy.
D) social construction.
E) binary arrangement.
Sociologists argue that the division of the human population into two distinctive and mutually exclusive categories, male and female, is best understood as a biological fact.
The division into these two major categories as male or female is mainly due to the biological and the physiological characteristics produced in both male and female.
Although in some cases, it may be argued that they are not mutually exclusive as there are some who have both.
Nevertheless, the above mentioned characteristics are just used to differentiate between a male and a female in humans and as well an individual self-concept of being a male or a female.
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A person who has type AB blood:
Answer:
B-positive (B+): 9%
AB-positive (AB+): 4%
A-positive (A+): 30%
What is eutrophication ?
Answer:
excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Explanation:
Hope it help
Select the correct answer.
An enzyme in a cell became dysfunctional because of an alteration. As a result, the DNA strands would not separate to begin the replication process. Which enzyme has been affected?
A.
DNA ligase
B.
DNA polymerase
C.
helicase
D.
RNA primase
E.
topoisomerase
Answer:
C
Explanation:
because it separate the strands so it is affected so it cannot unwind the strand of the DNA double helix .
hope this helps :)
As in the given scenario, the enzyme DNA helicase is affected, the correct option is C.
What is the function of DNA helicase during DNA replication?Helicases are a type of enzyme that is thought to be essential to all organisms. Their primary function is to unpack the genetic material of an organism.
Helicases are motor proteins that use ATP hydrolysis to move directionally along a nucleic acid phosphodiester backbone, separating two hybridized nucleic acid strands.
DNA helicases are required during DNA replication because they split double-stranded DNA into single strands, allowing each strand to be copied independently.
During DNA replication, DNA helicases unwind DNA at locations known as origins, which are where synthesis will begin.
If the DNA strands were unable to separate during the replication process, DNA helicase is the enzyme most likely to be affected.
The enzyme that unwinds the DNA and creates the replication bubble is known as DNA helicase.
Thus, the correct option is C.
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28. The figure below shows an animal tissue
(a) Name
(1) The parts of the tissue labelled A to F.
(ii) The animal from which the tissue is derived,
(b) Give the functions of each of the parts labelled
Answer:
The tissues of multicellular, complex animals are four primary types: epithelial, connective, muscle, and nervous. Recall that tissues are groups of similar cells group of similar cells carrying out related functions.
Explanation:
.
what starting materials do cells need for cellular respiration
Answer:
Oxygen and glucose
Explanation:
both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
Hey, I need help with these questions please:
Answer:
10x bigger than bacterial and archaeal cells
Which base is found in RNA but not in DNA:
O guanine
O uracil
O adenine
O cytosine
Answer:
Uracil
Explanation:
five (5) kidney diseases their symptoms and their effect
Answer:
Kidney failure occurs when your kidneys lose the ability to sufficiently filter waste from your blood. Many factors can interfere with your kidney health and function, such as:
toxic exposure to environmental pollutants or certain medications
certain acute and chronic diseases
severe dehydration
kidney trauma
Your body becomes overloaded with toxins if your kidneys can’t do their regular job. This can lead to kidney failure, which can be life-threatening if left untreated.
Usually, someone with kidney failure will have a few symptoms of the disease. Sometimes no symptoms are present. Possible symptoms include:
a reduced amount of urine
swelling of your legs, ankles, and feet from retention of fluids caused by the failure of the kidneys to eliminate water waste
unexplained shortness of breath
excessive drowsiness or fatigue
persistent nausea
confusion
pain or pressure in your chest
seizures
coma
Symptoms of early-stage kidney disease may be difficult to pinpoint. They’re often subtle and hard to identify. If you experience early signs of kidney disease, they may include:
decreased urine output
fluid retention that leads to swelling in limbs
shortness of breath
A sudden loss of blood flow to your kidneys can prompt kidney failure. Some conditions that cause loss of blood flow to the kidneys include:
a heart attack
heart disease
scarring of the liver or liver failure
dehydration
a severe burn
an allergic reaction
a severe infection, such as sepsis
High blood pressure and anti-inflammatory medications can also limit blood flow.
When your body can’t eliminate urine, toxins build up and overload the kidneys. Some cancers can block the urine passageways, such as:
prostate (a most common type in men)
colon
cervical
bladder
Other conditions can interfere with urination and possibly lead to kidney failure, including:
kidney stones
an enlarged prostate
blood clots within your urinary tract
damage to your nerves that control your bladder
Acute intrinsic kidney failure can result from direct trauma to the kidneys, such as physical impact or an accident. Causes also include toxin overload and ischemia, which is a lack of oxygen to the kidneys.
The following may cause ischemia:
severe bleeding
shock
renal blood vessel obstruction
glomerulonephritis
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The carbohydrate molecule ____
is a powerhouse energy source.
A) Glucose
B) sucrose
C) lipid
D) amino acid
The carbohydrate molecule ____ is a powerhouse energy source.
→ A) Glucose
A local watershed carries runoff from farms, suburban lawns, and wastewater treatment plants into local rivers, and eventually into a local bay. How could this affect the health of the bay?
A. It could make water hypoxic for organisms.
B. There will be an increase of aquatic plants and fish.
C. It could increase dissolved oxygen for fish.
D. There will be decreased nutrients in the water.
Answer:
answer should be "making water hypoxic for organisms". reason is because the runoff from these treatment plants are filled with nutrients, which will cause eutrophication. eutrophication is excessive algae sprouts which create more DO but then later becomes all used up when they decompose, making it so other organisms have no oxygen.
The runoff water from farms, suburban lawns, and wastewater treatment plants into local rivers affects the health of the bay by making water more hypoxic for organisms. Thus, the correct option is A.
What is Local bay?A Local bay may be defined as an area of the sea or other water bodies which are usually smaller than a gulf. It is mostly surrounded by water.
The runoff water from farms, suburban lawns, and wastewater treatment plants contain an enormous amount of nutrients that assist the growth of algae over the surface of water bodies known as eutrophication.
These algae consume all much of the available oxygen of the water body and make the environment hypoxic i.e. oxygen deficient.
Therefore, the correct option for this question is A.
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The cell membrane and water are both involved in
A. The Movement of materials into and out of the cell
B. Making and packaging proteins for the cell
C. Directing the cell's activities and functions
D. preventing chemical reactions from taking place
Answer:
A. The Movement of materials into and out of the cell
Explanation:
Between which two letters will the bond break to release energy?"
с
O A and B
O B and C
O C and D
O Band C and C and D
Answer:
c and d sjdudhhejejdkks
A large, dense-core vesicle found in the axon terminal is likely to contain:
A. Synthesis peptides
B. Neurotransmitter receptors
C. Enzymes that degrade transmitter molecules
D. Peptides
Answer:
D. peptides
Explanation:
Protecting shoreline communities from tsunamis is a struggle, especially in less developed regions of the world. Explain why your experiment supports this statement.
Protecting shoreline communities from tsunamis is a struggle, especially in less developed regions of the world because tsunamis are unpredictable. These phenomena have a higher effect on low-income shoreline families.
Tsunamis can be defined as giant ocean waves due to earthquakes and/or volcanic activity that occur under the sea.
Tsunamis may devastate entire shoreline communities because they are unpredictable and they speed along like a jet plane.
Tsunamis mainly affect shoreline low-income families in developing countries because the houses in which these people live in developing countries are rudimentary.
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The eyes of some birds contain cells that detect ultraviolet (UV) light.
UV light is reflected by some fruits and the urine of small mammals.
Explain how birds that detect UV light have evolved from birds that could not detect
UV light
[6 marks
Birds that detect UV light have favorable characteristics that enable them to survive and reproduce. These characteristics are passed on to their offspring.
According to Darwin's theory of evolution, organisms that are better adapted to their environment live long enough to survive and reproduce and pass on these favorable traits to their offspring.
Since birds depend on these fruits for food and these fruits reflect UV light. A bird that can not detect UV light will find it difficult to obtain food. Hence, birds that have developed the ability to detect UV light will live long enough and reproduce, passing on these favorable characteristics to their offspring. Hence, birds that can detect UV light appears from birds who do not originally detect UV light.
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help now asap plssssss ols dont answer if you dont know
Answer:
Image 1
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Are humans a dead end host for streptococcus pneumonia?
Streptococcus pneumoniae is a major human pathogen responsible for enormous global morbidity and mortality. Despite this, the pneumococcus makes up part of the commensal nasopharyngeal flora.
Streptococcus is a bacterium of a genus that includes the agents of souring of milk and dental decay, and hemolytic pathogens causing various infections such as scarlet fever and pneumonia.
Help please, 30 points.
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Which represents cellular respiration. Hint: There is only 1 process for photosynthesis?
Ignore the answers I put in at the bottom, I don't know if I did them right.
Photosynthesis:
Respiration:
Answer:
Answer:
Explanation:
Answer:
Photosynthesis: photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.Label the plant cell diagram below.
1.
2.
3.
4.
5.
6.
7.
Answer:
Here you go. Plz mark BRAINLIEST
Explanation:
Attached answer below!
Hey, I need help with these questions please:
Answer:
its B synthesis
Explanation:
Unlike true organisms, viruses cannot synthesize proteins, because they lack ribosomes (cell organelles) for the translation of viral messenger RNA (mRNA; a complementary copy of the nucleic acid of the nucleus that associates with ribosomes and directs protein synthesis) into proteins.
In 350 words explain what effects forest fires have on the environment while its burning and how it effects people and animals in the area.
Please Help!
Q. Explain the purpose of DNA and RNA.
Answer:
DNA is the structure that defines your genetic characteristics while RNA are proteinous substances that act as messengers to carry information to and from the nucleus of the cells.