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mart [117]
3 years ago
11

9. A local scientist has studied the population distribution of a species of snail that lives on

Biology
1 answer:
shutvik [7]3 years ago
6 0
Because the snails blend in with the light filled environment which allows them to blend in
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A malaria outbreak causing allele frequencies to change is an example of
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<span>This would be an example of a mutation, because the changing of allele frequencies would be a change within the gene itself, which would be a mutation in the DNA. This is evidenced by the fact that there is now a form of human resistance to malaria, due to changes within human DNA itself.</span>
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3 years ago
Suppose that an arginine residue in the active site of an enzyme was mutated to alanine. As expected, the alanine mutant was ina
Makovka662 [10]

Answer:

Alanine to lysine.

Explanation:

Mutation may be defined as the sudden, heritable change in the genome sequence of an organism. Two main types of mutation are chromosomal mutation and point mutation.

The mutation has occurred in which the arginine is replaced by alanine. The mutation that can restore to wild type is the conversion of alanine with lysine.    Since both arginine and lysine are basic amino acids. They both shows almost similar function and the replacement of lysine with alanine shows the wild type activity.

Thus, the answer is alanine to lysine.

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3 years ago
If a child has tay sach's disease, what would her parents' genotypes be?
Phoenix [80]
I'm pretty sure it's heterozygous Rr.
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Explain the difference in the relative concentrations of oxygen and carbon dioxide in the blood vessels entering and leaving the
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When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air

Explanation:

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Sara is learning about photosynthesis and cellular respiration in her science class. Which statement can Sara write that best ex
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The most suitable answer is C.

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Photosynthesis is the process whereby plants manufacture their own food using water, carbon (iv) oxide and some other minerals in the presence of sunlight while cellular respiration is the oxidation (or breakdown) of substances in the mitochondria (site of cellular respiration) in living cells.

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