Cell Biology Role No Online Exam Quiz

Cell Biology Role No GK Quiz. Question and Answers related to Cell Biology Role No. MCQ (Multiple Choice Questions with answers about Cell Biology Role No

Binding of acetylcholine to outer surface of endothelial cells, signals _____________________

Options

A : increase in cytosolic Ca2+ concentration

B : decrease cytosolic Ca2+ concentration

C : increase in acidity

D : increase in basicity

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Nitric oxide is formed from which of the amino acid?

Options

A : L-lysine

B : R-lysine

C : R-arginine

D : L-arginine

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Acetylcholine has the function of ________________________

Options

A : muscle relaxation

B : fertilizing agent

C : promoting cell adhesion

D : promoting cell division

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The posttranslational modification involving nitric oxide is called __________________

Options

A : N-nitrosylation

B : P-nitrosylation

C : N-glycosylation

D : S-nitrosylation

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Viagra is specific for which isoform of cGMP phosphodiesterase?

Options

A : PDE2

B : PDE4

C : PDE5

D : PDE8

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Which of the following compounds is metabolized into nitric oxide?

Options

A : Phosphoglycerine

B : Nitroglycerine

C : Sulforaphane

D : Serotonin

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The development of Viagra is related to the discovery of nitric oxide as a ____________________

Options

A : secondary messenger

B : gaseous compound

C : primary messenger

D : cyclin inhibitor

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Nitric oxide is an intracellular messenger.

Options

A : True

B : False

C :

D :

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The nitric oxide binds to and stimulates guanylyl cyclase.

Options

A : True

B : False

C :

D :

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The diffusible agent produced by binding of acetylcholine to endothelial cells is __________________

Options

A : vimentin

B : nitric oxide

C : hydrogen peroxide

D : hydrogen sulfide

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