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49. Myofibrils are constructed of overlapping strands of protein polymers known as which of the following?

A. Actin and tropomyosin
B. Tropic and myosin
C. Tropoactin and myosin
D. Actin and myosin

User Lequan
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1 Answer

4 votes
Actin and myosin. D is the correct answer.
User Bendin
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