Multiple choice

Which enzyme helps in the elongation of DNA strand in 5' to 3' direction during replication?

  1. Helicase

  2. Primase

  3. DNA polymerase

  4. Reverse transcriptase

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

DNA polymerase helps to add free nucleotides to the primer to only the 3' end of the newly forming strand thus elongating the strand in 5'-3' direction.