Myosin from a Rabbit Will Bind to Actin from an Amoeba

question 21

Multiple Choice

Myosin from a rabbit will bind to actin from an amoeba. What does this suggest about the evolution of the structures of actin and myosin?

• A)The binding sites of actin and myosin are strongly conserved.
• B)The binding sites of actin and myosin are highly variable.
• C)The binding sites of actin and myosin are not subject to evolution.
• D)There is no genetic basis to the structure of actin and myosin.
• E)None of the answer options is correct.

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