試題詳解

17. Which of the following statements best describes DNA polymerase?
(A)It is an enzyme required to produce a primer needed for DNA replication.
(B) It is an enzyme that catalyzes the addition of nucleotides to the 5′ end of a growing DNA strand.
(C) It is an enzyme that catalyzes the addition of nucleotides to the 3′ end of a growing DNA strand.
(D) It is an enzyme required to glue pieces of DNA fragments together.
(E) It is an enzyme that polymerizes the DNA and keeps the replication fork open.