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kramer
3 years ago
8

What statement best illustrates how an organism maintains homeostasis ?

Biology
2 answers:
Otrada [13]3 years ago
7 0

Answer: B) Desert pack rats are active at night to conserve water.

Explanation:

Homeostasis is the ability or quality of the body to maintain the internal temperature constant and stable with respect to the changes occurring in the external environment. This involves maintenance of the internal temperature, pH, and conservation of water.  

B is the correct option this is because of the fact that in desert water conservation will be the beneficial adaptation. The rat may experience dehydration in day but water will not be lost in night. This will help in maintaining the homeostasis.

Softa [21]3 years ago
4 0
The answer to this question is D
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Julli [10]

Answer:

One amino acid

Explanation:

This question is describing the occurrence of the process of mutation, which is the alteration in the genetic sequence of a gene. In this question, a DNA sequence was given as follows: TAC-ATC-CAT-CAG-TTA-CGC. However, a SUBSTITUTION MUTATION took place in such a way that the thymine base was replaced by a guanine base to have mutated sequence: GAC-ATC-CAT-CAG-TTA-CGC.

Since the mutation is a kind of substitution mutation, only the codon affected by that mutation will change. This DNA sequence will be transcribed into a mRNA sequence. The mRNA will be read codon by codon (a group of hree nucleotides) to produce amino acid. Since one codon will be involved, one amino acid will be affected.

4 0
2 years ago
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o-na [289]

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8 0
3 years ago
Read 2 more answers
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5 0
3 years ago
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const2013 [10]

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