How does structure of actin and myosin help muscle contraction ?
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Muscle contraction thus results from an interaction between the actin and myosin filaments that generates their movement relative to one another. The molecular basis for this interaction is the binding of myosin to actin filaments, allowing myosin to function as a motor that drives filament sliding.
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The globular head of myosin (HMM) attaches with the Actin's binding site and then contracts and leads to muscle contraction. it utilises 2 ATP for one cycle of myosin movement.
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