1. Key unit of contraction composed of bundled parallel protein myofilaments 2. This part of muscle cell transmits AP.

Sayeed asked Apr 20, 2022

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1. Key unit of contraction composed of bundled parallel protein myofilaments

2. This part of muscle cell transmits AP.

Sayeed asked Apr 20, 2022

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21 votes

Answer:

i am not sure but i think you talk about myosin it is bind with ATP to do the contraction with actin

Robert Felker answered Apr 24, 2022

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