An Example of a Slow Excitatory Postsynaptic Potential That Involves

question 80

Multiple Choice

An example of a slow excitatory postsynaptic potential that involves closure of potassium channels relies on cAMP produced by what enzyme?

• A) G protein
• B) phosphodiesterase
• C) protein kinase C
• D) adenylate cyclase
• E) protein kinase A

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Definitions:

Hammond Postulate

The Hammond postulate suggests that the transition state of a reaction resembles the structure of the closest stable species on the reaction path, either the products or the reactants.

Transition State

The highest-energy state during a chemical reaction where the reactants are transformed into products, representing the point of highest energy on a reaction coordinate.

Endothermic Reaction

A chemical reaction that absorbs heat from its surroundings.

Exothermic Reaction

A chemical reaction that releases heat energy to its surroundings.