Multiple choice

Continuous elongation of a new DNA strand along one strand of DNA

  1. requires the action of DNA ligase as well as polymerase

  2. occurs b/c DNA ligase can only elongate 3' → 5' direction

  3. occurs on the LEADING strand

  4. occurs on the LAGGING strand

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The leading strand is synthesized continuously in the direction of the replication fork movement, while the lagging strand is synthesized discontinuously.