Which G6PD Enzyme Commonly Found in Africans Has Normal Activity

question 2

Multiple Choice

Which G6PD enzyme commonly found in Africans has normal activity but differs from that found in whites by a single amino acid substitution that alters its electrophoretic mobility?

• A) Gd A+
• B) Gd A-
• C) Gd Med
• D) Gd B
• E) Gd Canton

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Definitions:

Fixed-Ratio Schedule

A reinforcement strategy in behaviorism where a response is reinforced only after a specified number of responses.

Reinforcement

In behavioral psychology, a process by which a behavior becomes more likely to occur because it is followed by a reward or the removal of an unpleasant stimulus.

Spontaneous Recovery

The reappearance of a previously extinguished response after a period without exposure to the conditioned stimulus.

Conditioned Stimulus

An initially neutral trigger that, after being paired with an unconditioned stimulus, in time invokes a conditioned response.