Human and sperm whale myoglobin have very similar primary structures. Which of t

Question

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

1) The two proteins are very likely related evolutionarily.
2) The differences in the sequences in many instances represent a conservative change (such L for I).
3) The differences in the sequences in many instances represent a nonconservative change (such as D for A).
4) There is no correlation between the two proteins, since they originate from very different species.

Statements 1, 2, and 3 are correct.
Statements 1 and 2 are correct.
Statements 1, 2, and 4 are correct.
All of the listed statements are correct.

Explanation / Answer

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

answer:Statements 1 and 2 are correct.

1) The two proteins are very likely related evolutionarily.

2) The differences in the sequences in many instances represent a conservative change (such L for I).

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