A) cGMP
B) Calcium
C) Sodium
D) cAMP
Correct Answer: C
Solution :
In heart cells AMP acts as secondary messenger which is made in the response of adrenaline and it stimulates\[C{{a}^{2+}}\]ions to come out from the sarcoplasmic reticulum of muscle fibres which causes muscle contraction.You need to login to perform this action.
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