The Following Represents a DNA Strand in the Process of Replication

question 9

Multiple Choice

The following represents a DNA strand in the process of replication. The bottom sequence is that of DNA strand with polarity indicated and the top sequence represents the RNA primer.
GGGGCCUUU
5' AAATCCCCGGAAACTAAAC 3'
Which of the following will be the first DNA nucleotide added to the primer?

• A) T
• B) U
• C) C
• D) G
• E) A

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Definitions:

Learned Response

A behavior that has been acquired or modified as a result of experience or conditioning.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response tendency; in biology, the dying out of a species.

Commission

An instruction, command, or duty given to a person or group of people.

Fixed-ratio Schedule

This is a schedule of reinforcement where a response is rewarded only after a specified number of responses.