Which structure in the muscle cell stores calcium?

A) sarcoplasmic reticulum
B) sarcolemma
C) transverse tubules
D) myofibril


A
Explanation:
B) The sarcolemma is the cell membrane of a muscle cell.
C) The transverse tubules pass the electrical signal deep into the muscle.
D) Myofibrils are made up of protein.

Anatomy & Physiology

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