Multiple Choice
What is the role of tropomyosin in a sarcomere?
A) It is the main protein component of thin myofilaments.
B) It blocks the active sites on actin filaments in relaxed muscle fibers.
C) It is the main component of elastic filaments.
D) It is the main protein component in thick myofilaments.
E) It binds to calcium to initiate muscle contraction.
Correct Answer:
Verified
Correct Answer:
Verified
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