The Main Distinguishing Feature of the Concerted Model for the Behavior

question 49

Multiple Choice

The main distinguishing feature of the concerted model for the behavior of allosteric enzymes is that

• A) the conformation of all subunits changes simultaneously.
• B) it applies only to dimeric enzymes.
• C) it involves three possible conformations for all subunits.
• D) the T and R conformations exist in roughly equal amounts.

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Definitions:

Stimulus Generalization

The process by which a response that has been learned to one stimulus is elicited by a different, but similar, stimulus.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually comes to trigger a conditioned response.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus in classical conditioning.

Secondary Reinforcer

A stimulus that has become reinforcing through its association with a primary reinforcer.