Which Choice Is an Example of "Recombinant DNA

question 23

Multiple Choice

Which choice is an example of "recombinant DNA"?

• A)DNA that has been amplified by PCR
• B)any DNA that has been removed from a cell
• C)DNA that has been cut with a restriction enzyme
• D)a bacterial plasmid combined with a human gene

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Definitions:

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention, until it is associated with an unconditioned stimulus.

Reinforcement

In behavioral psychology, it refers to any stimulus which strengthens or increases the probability of a specific response.

Positive Reinforcer

A stimulus that, when presented after a behavior, increases the likelihood of that behavior being repeated.

Negative Reinforcer

A stimulus whose removal or avoidance after a response strengthens that response or makes it more likely to happen again.