A small ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of ca2+ concentration, is known as
Correct Answer: Calmodulin
Description: Ans. (b) Calmodulin(Ref: Ganong, 25th ed/p.55)Once inside the cell, Calcium binds with calmodulin.This calcium - calmodulin complex activates an enzyme called calmodulin dependent protein kinases that phosphorylates many downstream effector proteins
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