Question

Myofibrils are constructed of overlapping strands of protein polymers called

Answer 1

Hello!

Myofibrils are constructed of overlapping strands of protein polymers called Actin and Myosin

So, Myofibril = Actin + Myosin

Thanks!

Answer 2

heya @ user
here is your answer

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Myofibrils are constructed of overlapping strands of protein polymers called Actin and Myosin.
Actin and Myosin are also responsible for movement of many type of cell movement
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HOPE HELPED !!