Which of the Following Is Not Part of the Process

question 57

Multiple Choice

Which of the following is not part of the process whereby skeletal muscles relax?

• A) The amount of calcium bound to troponin decreases.
• B) A myosin -binding site on the actin molecule is blocked by tropomyosin.
• C) The binding of calcium to a low -affinity site closes sarcoplasmic reticulum calcium channels.
• D) Sarcolemmal calcium channels open to allow the efflux of calcium.
• E) A calcium pump actively removes calcium.