Respuesta :

jarrynriley

Answer:

Muscle contraction occurs when the thin actin and thick myosin filaments slide past each other. It is generally assumed that this process is driven by cross-bridges which extend from the myosin filaments and cyclically interact with the actin filaments as ATP is hydrolysed.

Explanation:

duwaraga

Explanation:

Muscle contraction occurs when the thin actin and thick myosin filaments slide past each other. ... In this conformation the cross-bridge binds weakly to actin and attaches and detaches so rapidly that it can slip from actin site to actin site, offering very little resistance to stretch.

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