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Question
During muscle contractions,a. the sarcomeres shorten.
b. the actin filaments slide over the myosin filaments.
c. the actin filaments move toward the middle of the sarcomere during contraction and away on relaxation.
d. the muscle fibers thicken.
e. all of these occur.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Choose the one most appropriate answer for each. Some letters may not be used.
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d. abscisic acid.
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b. B.
c. C.
d. D.
e. E.
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a. A.
b. B.
c. C.
d. D.
e. E.