The Local Mediator Nitric Oxide Stimulates the Intracellular Enzyme Guanylyl

question 60

Multiple Choice

The local mediator nitric oxide stimulates the intracellular enzyme guanylyl cyclase by

• A)activating a G protein.
• B)activating a receptor tyrosine kinase.
• C)diffusing into cells and stimulating the cyclase directly.
• D)activating an intracellular protein kinase.

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Definitions:

α,β-unsaturated Carbonyl

An organic compound with a double bond between the alpha and beta carbon atoms adjacent to a carbonyl group, participating in various chemical reactions.

PhCOCH

A general formula shorthand for compounds where a benzene ring (indicated by Ph, standing for phenyl) is attached to a carbonyl group (CO) and an additional unspecified group (CH), leading to a variety of possible chemical structures.

Cyclopentanecarboxylic Acid

A cycloalkane derived carboxylic acid, with the carboxyl group attached to a five-membered ring.

Reagents

Substances or compounds used in chemical reactions to cause or analyze a chemical change.