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03-09-2019
Biology

contestada

The functional unit of a muscle is the
(A) actin.
(B) myosin.
(C) Z line.
(D) sarcomere.

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03-09-2019

Answer:

(D) Sarcomere

Explanation:

Sarcomeres are the most basic units that makes up striated muscle organ. They are made of fibrous long proteins, composed of thick and thin filaments that slides past each other during muscle contractions and relaxations.

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