All cross bridges within a sarcomere stroke in unison when pulling the actin filaments.

Name: All cross bridges within a sarcomere stroke in unison when pulling the actin filaments.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Only a portion of the cross bridges interact with actin filaments at any given time, and they do not stroke in complete unison. Instead, they function asynchronously to create a sliding movement of the actin filaments over the myosin filaments, leading to muscle contraction.

All Cross Bridges Within a Sarcomere Stroke in Unison When