The following represents a DNA strand in the process of replication. The bottom sequence is that of the 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)A
B)G
C)C
D)T
E)U

Question

Quizplus · Accepted Answer

The RNA primer ends with a U, which pairs with A in DNA. Therefore, the first DNA nucleotide added will be A.

The Following Represents a DNA Strand in the Process of Replication