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 $II$
$(a)$ Pituitary hormone	$(i)$ Steroid
$(b)$ Epinephrine	$(ii)$ Neuropeptides
$(c)$ Endorphins	$(iii)$ Peptides,proteins
$(d)$ Cortisol	$(iv)$ Biogenic amines

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

Similar Questions

Match the following columns and select the correct option.
Column $I$ Column $II$
$(a)$ Pituitary hormone $(i)$ Steroid
$(b)$ Epinephrine $(ii)$ Neuropeptides
$(c)$ Endorphins $(iii)$ Peptides,proteins
$(d)$ Cortisol $(iv)$ Biogenic amines

Steroid hormones are derived from . . . . . . .

. . . . . . are responsible for chemical coordination.

Identify $A$ to $D$ in the given diagrammatic representation of the mechanism of steroid hormone action and choose the correct combination.

Which of the following hormones are amino acid derivatives?
$I.$ Insulin $II.$ Epinephrine $III.$ Oestradiol $IV.$ Norepinephrine $V.$ Testosterone $VI.$ Glucagon

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