Explain the mechanism of muscle contraction
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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.
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Sliding filament theory is the theory which has been accepted for explaining the contraction of muscles. According to this theory, contractions of muscles is considered as the cycle of molecular events. During the muscle contraction, the thin actin and thick myosin filaments slide past each other. The process is done by cross-bridges which is extended from the myosin filaments. The contractile unit of muscle is said to be sarcomere.
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Explanation:
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.
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