H 1.2 Replication of DNA

Which bonds are broken while the double helix of DNA "unzips"?

• Weak hydrogen bonds

• Strong chemical bonds

How are DNA nucleotides added to the leading strand?

• Continuously

• Discontinuously

How are DNA nucleotides added to the lagging strand?

• Continuously

• Discontinuously

Which enzyme adds complementary DNA nucleotides?

• DNA Polymerase

• Ligase

• RNA Polymerase

• Catalase

Which enzyme joins DNA fragments together?

• DNA Polymerase

• Ligase

• RNA Polymerase

• Catalase

Which of the following is not a requirement of DNA replication?

• DNA Template

• Primers

• ATP

• Thermal Cycler

During PCR, which temperature range breaks the hydrogen bonds?

• 92c - 98c

• 50c - 65c

• 70c - 80c

During PCR, which temperature range allows primers to bond?

• 92c - 98c

• 50c - 65c

• 70c - 80c

During PCR, which temperature range allows heat resistant DNA polymerase to replicate the DNA?

• 92c - 98c

• 50c - 65c

• 70c - 80c

Which form of enzyme is needed in PCR?

• DNA Polymerase

• Heat-Resistant DNA Polymerase