Aflatoxin B₁ Is a Compound That Is Converted to a Reactive

question 19

Multiple Choice

Aflatoxin B₁ is a compound that is converted to a reactive epoxide by a cytochrome P450 enzyme and causes

• A) a G-C to T-A transversion.
• B) an intrastrand cross-link.
• C) deamination of adenine.
• D) deamination of cytosine.
• E) None of the answers is correct.

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Definitions:

Behavioral Contrast

A phenomenon observed in operant conditioning where a change in the reinforcement conditions for one behavior alters the rate of another behavior.

Excitatory Generalization Gradients

Graphs showing the level of generalization from an excitatory conditioned stimulus (CS1) to other stimuli.

Conditioning Stimulus

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

Learning Stimulus

Any stimulus that influences or changes learning behavior; often involved in associative learning processes where it becomes linked with a specific response or behavior.