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Some hormones can act on their target cells through second messengers. Identify the one that does not act on their target cells through second messengers. 

Option: 1

Cortisol


Option: 2

Adrenaline


Option: 3

FSH


Option: 4

Calcitonin


Answers (1)

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The hormone that does not act on its target cells through second messengers is cortisol.Cortisol belongs to a class of hormones called steroid hormones, which are lipid-soluble and can easily cross cell membranes. Once inside a target cell, cortisol binds to intracellular receptors, and the hormone-receptor complex directly alters gene expression, without the need for a second messenger system. Hence, the answer is option 1.

Posted by

HARSH KANKARIA

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