Each Round of Reactions in PCR ____ the Number of DNA

question 31

Multiple Choice

Each round of reactions in PCR ____ the number of DNA molecules from the target site.

• A)doubles
• B)triples
• C)quadruples
• D)quintuples
• E)does not affect

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, triggers a conditioned response.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly presented alongside an unconditioned stimulus.

Permanent Change

An alteration or transformation that is lasting and not reversible over time.