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yanalaym [24]
2 years ago
5

Which animal adaptation happened before the others?

Biology
2 answers:
weeeeeb [17]2 years ago
7 0

Answer:

D?

Explanation:

lesya692 [45]2 years ago
3 0

Answer:

D?

Explanation:

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Which two major parts of the Earth system does this photo most clearly show? A. Hydrosphere B. Atmosphere C. Cryosphere D. Biosp
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Which of the following types of reactions would decrease the entropy within a cell?
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Which of the following types of reactions would decrease the entropy within a cell?

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3 years ago
Life as we know it depends on the genetic code: a set of codons, each made up of three bases in a DNA sequence and corresponding
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Answer:

In the most general case of x bases and y bases per codon, the total number of possible codons is equal to xy . In the case of the hypothetical Martian life-forms, is the minimum codon length needed to specify 17 amino acids is 5 (25 = 32), with some redundancy (meaning that more than one codon could code for the same amino acid).  For life on Earth, x = 4 and y = 3; thus the number of codons is 43, or 64. Because there are only 20 amino acids, there is a lot of redundancy in the code (there are several codons for each amino acid).

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The seeds of leguminous plants are a source of proteins. Nitrogen - fixing bacteria live in the roots of such plants. Do you thi
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