Increased Cytosolic [Ca²⁺] Involved in Signaling Can Originate from

question 8

Multiple Choice

Increased cytosolic [Ca²⁺] involved in signaling can originate from

• A) Influx from the extracellular fluid through channels on the plasma membrane
• B) Efflux from the mitochondria into the cytosol
• C) Efflux from stores in the endoplasmic reticulum through RyR or IP₃ receptors
• D) Release from binding sites within the cytosol
• E) A and C are correct