In Observing DNA Replication in the Lab, You Notice That

Multiple Choice

In observing DNA replication in the lab, you notice that in some cells, a defect occurs where DNA replication proceeds, but the RNA primers are not removed and replaced with DNA. Which enzyme is MOST likely to be defective in this system?

A) RNA primase
B) helicase
C) single-strand binding protein
D) DNA polymerase
E) DNA ligase