Multiple Choice
Which of these actions happens during contraction of skeletal muscle fibres
A) Contractile proteins contract.
B) Thin filaments slide inward toward A bands' centres as a result of cycles of cross-bridge binding and bending.
C) Thick and thin filaments become tightly coiled, thus shortening the sarcomere.
D) I bands slide between A bands.
Correct Answer:
Verified
Correct Answer:
Verified
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