The Living World 8th Edition by George Johnson

تمرين 5

DNA polymerase can only add nucleotides to an existing chain, so _______ is required.
A) a primer
B) helicase
C) a lagging strand
D) a leading strand
Which of the following does not occur in DNA replication?
A) complementary base pairing between old and new strands
B) production of short segments joined by a ligase enzyme
C) polymerization in the 3' to 5' direction
D) use of an RNA primer
The primer used for DNA replication
A) is added to only one of the two template strands.
B) remains on the DNA after replication is complete.
C) is a short segment of RNA added to the 3' end.
D) ensures that there will be a free 5' end to which new nucleotides can be covalently linked.