Which of the following happens as actin and myosin filaments slide past each other during muscle contraction?
a. actin filaments shorten, while myosin filaments do not.
b. myosin filaments shorten, while actin filaments do not.
c. either actin or myosin filaments shorten, but not both at the same time.
d. both actin and myosin filaments shorten.
e. neither actin nor myosin filaments shorten.
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Which of the following happens as actin and myosin filaments slide past each other during muscle con...
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