Where are calcium ions stored before a signaling pathway releases them into the cytosol?
A) Nucleus
B) Ribosome
C) Lysosome
D) Plasma membrane
E) Endoplasmic reticulum

Question

Quizplus · Accepted Answer

Calcium ions are stored in the endoplasmic reticulum before they are released into the cytosol as part of a signaling pathway. The endoplasmic reticulum acts as a major calcium storage site within cells, playing a crucial role in calcium signaling.

Where Are Calcium Ions Stored Before a Signaling Pathway Releases