47. Muscle Systems
Musculoskeletal System
2:40 minutes
Problem 2b
Textbook Question
Textbook QuestionIn muscle cells, myosin molecules continue moving along actin molecules as long as a. ATP is present and troponin is not bound to Ca2+. b. ADP is present and tropomyosin is released from intracellular stores. c. ADP is present and the intracellular acetylcholine level is high. d. ATP is present and the intracellular Ca2+ concentration is high
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