Which of the following is true when a muscle is at rest: calcium ions bind to the troponin complex to expose the myosin-binding complex troponin releases calcium ions troponin and tropomyosin block the myosin-binding site calcium ions block the myosin-binding site

Which of the following is true when a muscle is at rest: calcium ions bind to the troponin complex to expose the myosin-binding complex troponin releases calcium ions troponin and tropomyosin block the myosin-binding site calcium ions block the myosin-binding site

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter8: Muscle Physiology

Section: Chapter Questions

Problem 12RE

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Question

Multiple Choice.

Which of the following is true when a muscle is at rest:
calcium ions bind to the troponin complex to expose the myosin-binding
complex
troponin releases calcium ions
troponin and tropomyosin block the myosin-binding site
calcium ions block the myosin-binding site
Ooo

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