Which of the following substances acts to increase the release of Ca2+ from endoplasmic reticulum?
Correct Answer: Inositol triphosphate
Description: Ans. A. Inositol triphosphateInositol triphosphate (IP3 ) and diacylglycerol (DAG) are second messengers for G protein coupled receptors. IP3 stimulates release of calcium from endoplasmic reticulum. DAG activates protein kinase C.
Category:
Biochemistry
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