Which of the following is an example of the result of a beneficial mutation?
A) A new digestive enzyme evolves that is better at digesting cellulose.
B) A new digestive enzyme evolves that is equal in its ability to digest cellulose as the existing enzyme.
C) A new digestive enzyme evolves that is less effective at digesting cellulose.
D) A new protein evolves that interferes with the digestive process.
E) A new protein evolves that has no function.
Correct Answer:
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