Multiple Choice
What happens to the actin and myosin filaments when a muscle contracts?
A) Both of them shorten.
B) Both of them lengthen.
C) Both stay the same length.
D) Actin shortens, while myosin lengthens.
E) Myosin shortens, while actin lengthens.
Correct Answer:
Verified
Correct Answer:
Verified
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