The sarcoplasmic reticulum is:
Select one:
a. the organelle from which $\mathrm{Ca}$ ? + is released to initiate muscle contraction.
b. coupled to the $T$ - tubule system via the nicotinic receptor.
c. primarily responsible for protein synthesis in the cell body.
d. the fundamental unit of muscle which contains thin and thick filaments.
e, the organelle which stores Nat necessary for generation of the action potential.

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Accepted Answer

***A*** ∻Key Concept∻ ⚹Sarcoplasmic Reticulum and Calcium Release⚹ ∻Explanation∻ ⚹The sarcoplasmic reticulum is an organelle in muscle cells that stores and releases calcium ions ($\mathrm{Ca}^{2+}$) to initiate muscle contraction.⚹◊What is the main function of the sarcoplasmic retic⍭ Generate me a similar question◊

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