An Important Step in Elucidating the Behavior of an Enzyme

question 45

Multiple Choice

An important step in elucidating the behavior of an enzyme is

• A) obtaining a crystalline sample of the enzyme.
• B) insuring that metal ions are always excluded from the enzyme sample.
• C) determining the active site residues.
• D) none of these

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Definitions:

Conditioned Stimulus

A stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response.

Unconditioned Stimulus

A stimulus that naturally triggers a response without the need for prior learning.

Counterconditioning

A therapeutic process aimed at reversing the negative effects of a conditioned response by introducing a new, positive stimulus.

Learned Response

A behavior or reaction acquired or modified by the association of a stimulus and a response.