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As actin and myosin filaments slide past each other during muscle contraction: A

ID: 134353 • Letter: A

Question

As actin and myosin filaments slide past each other during muscle contraction: Actin filaments shorten, while myosin filaments do not Myosin filaments shorten, while actin filaments do not Either actin or myosin filaments shorten, but not both at the same time Both actin and myosin filaments shorten Neither actin or myosin filaments shorten As actin and myosin filaments slide past each other during muscle contraction: Actin filaments shorten, while myosin filaments do not Myosin filaments shorten, while actin filaments do not Either actin or myosin filaments shorten, but not both at the same time Both actin and myosin filaments shorten Neither actin or myosin filaments shorten Actin filaments shorten, while myosin filaments do not Myosin filaments shorten, while actin filaments do not Either actin or myosin filaments shorten, but not both at the same time Both actin and myosin filaments shorten Neither actin or myosin filaments shorten

Explanation / Answer

During muscle contraction ,the actin and myosin filament slide past each other,but

Neither the actin nor the myosin shortens

But the z lines comes closer due to their sliding past each other and this shoetens the A band .

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