During replication, the direction of synthesis of new DNA from the leading and lagging strands is
A) 3' to 5' only.
B) both 5' to 3' and 3' to 5'.
C) from left to right only.
D) 5' to 3' only.
E) different, depending on whether the cell is prokaryotic or eukaryotic.

Question

Quizplus · Accepted Answer

DNA synthesis occurs in the 5' to 3' direction for both the leading and lagging strands. The leading strand is synthesized continuously, while the lagging strand is synthesized in short segments called Okazaki fragments, but both are in the 5' to 3' direction.

During Replication, the Direction of Synthesis of New DNA from the Leading