Enzymes in DNA Replication

Enzyme used during replication to attach Okazaki fragments to each other

• DNA ligase

• DNA polymerase

• RNA polymerase

• Restriction enzyme

• Reverse transcriptase

Enzyme used in the synthesis of mRNA

• DNA ligase

• DNA polymerase

• RNA polymerase

• Restriction enzyme

• Reverse transcriptase

Enzyme used to position nucleotides during DNA replication

• DNA ligase

• DNA polymerase

• RNA polymerase

• Restriction enzyme

• Reverse transcriptase

When DNA replicates, each strand of the original DNA molecule is used as a template for the synthesis of a second, complementary strand. Which of the following figures most accurately illustrates enzyme-mediated synthesis of new DNA at a replication fork?

• DNA ligase

• DNA polymerase

• RNA polymerase

• Restriction enzyme

• Reverse transcriptase

Which diagram correctly represents the process of DNA replication?

• (A)

• (B)

• (C)

• (D)