In the mechanism of action of a protein hormone, one of the second messengers is
a. Cyclic AMP
b. Insulin
c. T3
d. Gastrin

Answers (1)

Ans. The answer is the option (a) Cyclic AMP
Explanation: Hormones which react with membrane-bound receptors and generally do not enter the target cell, but creates second messengers (Cyclic AMP, IP3, Ca++, etc.)

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