A student isolates, purifies, and combines in a test tube a variety of molecules needed for
DNA replication. After adding some DNA to the mixture, replication occurs, but each DNA
molecule consists of a normal strand paired with numerous segments of DNA a few hundred
nucleotides long. What has the student probably left out of the mixture?
A) DNA polymerase
B) DNA ligase
C) Okazaki fragments
D) primase
