Which one of the following is not a second me | vedclass

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(B) In the mechanism of hormone action,hormones that cannot enter the target cell (like peptide or protein hormones) bind to specific receptors on the

Vedclass · Accepted Answer

Sodium

Vedclass · Answer

(B) In the mechanism of hormone action,hormones that cannot enter the target cell (like peptide or protein hormones) bind to specific receptors on the cell membrane. This binding triggers the production of intracellular molecules known as second messengers,which regulate cellular metabolism. Common second messengers include $cAMP$,$IP_3$ (Inositol triphosphate),and $Ca^{2+}$ (Calcium ions). Sodium $(Na^+)$ ions are involved in membrane potential and nerve impulse conduction but do not function as second messengers in hormone signaling pathways.

Which one of the following is not a second messenger in hormone action?

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