Which of the Following Is Involved in the Relaxation of a Muscle

question 103

Multiple Choice

Which of the following is involved in the relaxation of a muscle cell?

• A)Synthesis of ACh by acetylcholinesterase
• B)Initiation of action potentials
• C)The troponin-tropomyosin complex slipping back into its blocking position
• D)Detachment of actin from tropomyosin
• E)T tubules actively absorbing Ca₂₊

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