Which of the following accurately describes the way in which a muscle moves? a. no atp is needed is the contraction of a muscle. b. during contraction, cross-bridges pull the myosin to the center of the sarcomere. c. interaction and attachment between myosin and actin cause a muscle fiber to relax. d. when actin filaments are pulled toward the center of the sacomere, the fiber shortens.
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Which of the following accurately describes the way in which a muscle moves? a. no atp is needed is...
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