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Question
Which of the following is not a second messenger in hormone action?
Which of the following is not a second messenger in hormone action?
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Solution
The correct option is A Sodium
Water soluble hormones, which include amino-acid derivatives, peptides, polypeptides, and proteins, interact with membrane-bound receptors, since they cannot cross the cell membrane and enter the cell. So, to produce their effects, they generate second messengers inside the cell, which in turn regulate cellular metabolism.
These second messengers include cyclic adenosine monophosphate (cyclic AMP ), inositol-1,4,5-triphosphate IP3, and calcium ions.
Sodium is not a second messenger.
Water soluble hormones, which include amino-acid derivatives, peptides, polypeptides, and proteins, interact with membrane-bound receptors, since they cannot cross the cell membrane and enter the cell. So, to produce their effects, they generate second messengers inside the cell, which in turn regulate cellular metabolism.
These second messengers include cyclic adenosine monophosphate (cyclic AMP ), inositol-1,4,5-triphosphate IP3, and calcium ions.
Sodium is not a second messenger.
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