In the mechanism of hormone action,which of t | vedclass

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(D) Hormones that interact with membrane-bound receptors normally do not enter the target cell,but generate second messengers in the cytoplasm to regu

Vedclass · Accepted Answer

$Mg^{++}$

Vedclass · Answer

(D) Hormones that interact with membrane-bound receptors normally do not enter the target cell,but generate second messengers in the cytoplasm to regulate cellular metabolism.Common second messengers include cyclic $AMP$ $(cAMP)$,cyclic $GMP$ $(cGMP)$,inositol triphosphate $(IP_3)$,and calcium ions $(Ca^{++})$.$Mg^{++}$ acts as a cofactor for many enzymes but is not classified as a second messenger in hormone signaling pathways.Therefore,the correct option is $D$.

Column-$I$	Column-$II$
$(A)$ Oxytocin	$(1)$ Amino acid derivatives
$(B)$ Epinephrine	$(2)$ Steroid
$(C)$ Progesterone	$(3)$ Protein
$(D)$ Growth hormone	$(4)$ Peptide

In the mechanism of hormone action,which of the following is $NOT$ a second messenger?

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Choose the correct pair of hormones which interact with membrane-bound receptors.

Match the following columns.
Column-$I$ Column-$II$
$(A)$ Oxytocin $(1)$ Amino acid derivatives
$(B)$ Epinephrine $(2)$ Steroid
$(C)$ Progesterone $(3)$ Protein
$(D)$ Growth hormone $(4)$ Peptide

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