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S_A_V [24]
3 years ago
14

The amount of time that has passed since two species last shared a common ancestor: cannot be determined, due to gaps in the fos

sil record. can be determined by the relative amounts of uranium-238 found in the bones of individuals from each species. can be determined for prokaryotic species but not eukaryotes. cannot be determined, due to the fact that most species pass through the same embryological stages. is revealed by the degree of similarity in sections of their DNA.
Biology
1 answer:
Anni [7]3 years ago
7 0

Answer:

is revealed by the degree of similarity in sections of their DNA

Explanation:

phylogenetic analysis of DNA sequences of two different species are compared and the level of similarity between nucleotide sequences in DNA help to identify their relatedness.

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The substrate sequence recognized by protein kinase A (PKA) is R-R-G-S-I. The pseudosubstrate sequence found within the regulato
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The guanidine group of the first two arginine forms a pair of ions, by which salt bridge is formed

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In R-R-G-A-I serine is  been replaced by alanine

Explanation:

The role of the each amino acids

The guanidine group of the first two arginine forms a pair of ions, by which salt bridge is formed

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In R-R-G-S-I  serine is phosphorylated by an active catalytic subunit .

In R-R-G-A-I serine is  been replaced by alanine

Attached below is the sequence as a peptide .

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