A Noncompetitive Inhibitor Decreases the Rate of an Enzyme Reaction

question 23

Multiple Choice

A noncompetitive inhibitor decreases the rate of an enzyme reaction by ________.

• A) binding at the active site of the enzyme
• B) changing the shape of the enzyme's active site
• C) changing the overall free-energy of the reaction
• D) acting as a coenzyme for the reaction
• E) decreasing the activation energy of the reaction

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Definitions:

Reinforcer

An element in behaviorist psychology that strengthens a behavior or increases the likelihood of its repetition.

Cognitive Learning

A style of learning that involves understanding, thinking, problem-solving, and remembering, by which knowledge is gained and retained.

Vicarious Learning

Learning that occurs by observing the behaviors of others and the outcomes of those behaviors.

Insects

A vast group of arthropods characterized by a chitinous exoskeleton, a three-part body (head, thorax, abdomen), three pairs of jointed legs, compound eyes, and one pair of antennae.