DNA polymerase ____.
A) synthesizes a short RNA segment to begin DNA replication
B) adds nucleotides to the 5' end of an existing strand to synthesize a new DNA strand
C) adds nucleotides to the 3' end of an existing strand to synthesize a new DNA strand
D) seals nicks between adjacent segments of DNA
E) unwinds the DNA double helix at the origin of replication

Question

Quizplus · Accepted Answer

DNA polymerase adds nucleotides to the 3' end of an existing strand to synthesize a new DNA strand, ensuring the direction of synthesis is 5' to 3'.

DNA Polymerase ____