Human Cancers Are Often Caused by a Mutation in ___,Which

question 10

Multiple Choice

Human cancers are often caused by a mutation in ___,which generally functions to restrain uncontrolled cell proliferation.

• A)the cyclin gene
• B)the p53 gene
• C)a high mobility group (HMG)gene
• D)an activator region
• E)a silencer region

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Definitions:

Fixed-Interval Schedules

A schedule of reinforcement where rewards are provided after a fixed amount of time has passed since the last reinforcement.

Variable-Interval Schedules

A reinforcement schedule in operant conditioning where responses are rewarded after an unpredictable amount of time has passed.

Extinction

The gradual weakening and eventual disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

Successive Approximations

A behavior training process where closer and closer approximations to a desired behavior are reinforced until the desired behavior is achieved.