Which of the Following Is NOT Part of the Explanation

question 35

Multiple Choice

Which of the following is NOT part of the explanation for the all -or -nothing property of an isometric twitch contraction of skeletal muscle?

• A) equivalent calcium released by each action potential
• B) all -or -nothing property of the action potential generated by a skeletal muscle
• C) equivalent calcium reuptake by the sarcoplasmic reticulum
• D) equal numbers of crossbridges activated by the calcium released
• E) equivalent activation of calmodulin stimulating myosin light -chain kinase activity

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