In what direction, can a DNA polymerase work when catalyzing the addition of nucleotide monomers to build a strand of DNA? | Examoo

Home › MCQs › MDCAT Biology › Question #517

Back to Questions

MDCAT Biology QUESTION #517

Question 1

In what direction, can a DNA polymerase work when catalyzing the addition of nucleotide monomers to build a strand of DNA?

From the 5' toward the 3' end of the new strand being assembled.
From the replication centers in two directions called replication forks.✔️
From the 3' to the 5' end of the strand being assembled.
In both directions if DNA ligase is present.

Correct Answer Explanation

DNA polymerase works 5' to 3' but answer key shows B