Hey There!!
Your answer will be D. Estrogen.
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By ♡Itsbrazts♡
Answer:
The correct answer would be "Myosin heads attach to sites on actin filaments".
The muscle cell or myofibril consists of two types of protein filaments namely; actin (thin filament) and myosin (thick filament).
The myosin heads attach to the binding sites on the actin filaments and pull it towards the M-line in order to produce contraction.
The hydrolysis of ATP provides energy for this contraction cycle.
Answer:
carbon and titanium, hope that helps
Explanation:
Answer:
the study of all living things
Explanation:
Answer:
i think A
Explanation:
since its not in front of the moon and at the side it has to be a crescent moon and the sun is on the right side, so pick A
