Which of the following correctly describes what happens within the muscle fiber during contraction?
A) Myosin cross-bridges bind, actin slides over myosin, Z lines are pulled together
B) Z lines are pulled together, myosin slides over actin, myosin cross-bridges bind
C) Myofilaments shorten in length, sarcomere lengthens, Z lines are pulled together
D) Myosin filaments shorten, actin slides over myosin, A band shortens
Correct Answer:
Verified
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