Practice question

MCQ

Question

Which of the following statements about muscle contraction is correct?

Options

Choose one · Correct answer highlighted

ATP is not required for muscle contraction. Myosin heads form cross-bridges with actin filaments. Correct Calcium ions play no role in muscle contraction. Actin filaments shorten during contraction.

Explanation

Myosin heads form cross-bridges with actin filaments during muscle contraction. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

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