Multiple Choice
What evidence suggests that c-opsins were present in the common ancestor of all living vertebrates?
A) All vertebrates carry c-opsin.
B) C-opsins have the same basic molecular shape in all vertebrates.
C) C-opsins have the same basic functional pathway in all vertebrates.
D) all of the above
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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