Which of the following statements is incorrect about muscle contraction?

Practice question

Question

Which of the following statements is incorrect about muscle contraction?

Options

Choose one · Correct answer highlighted

Calcium ions play a crucial role in muscle contraction. ATP is required for muscle relaxation. Myosin heads bind to actin during contraction. Actin filaments slide away from myosin filaments during contraction. Correct

Explanation

During contraction, actin filaments slide over myosin filaments, not away from them.

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