Ib DNA Replication

Which enzyme is responsible for adding nucleotides?

• Topoisomerase

• DNA Polymerase

• Ligase

• Primase

This enzyme helps helicase unzip DNA by relieving supercoiling

• Topoisomerase

• Exonuclease

• DNA Primase

• DNA Polymerase

This enzyme synthesizes short RNA sequences to guide DNA Polymerase

• Primers

• DNA Primase

• DNA Polymerase

• Topoisomerase

Which enzyme is responsible for checking DNA for errors, and fixing it?

• DNA Polymerase

• DNA Primase

• DNA Helicase

• RNA Polymerase

Okazaki fragments are unified into a single continuous strand by the use of this enzyme

• DNA Helicase

• DNA Ligase

• Topoisomerase

• Telomerase

This enzyme is capable of breaking Hydrogen bonds found between the bases of DNA

• Topoisomerase

• DNA Helicase

• DNA Polymerase

• Exonuclease

This enzyme is used to remove short RNA bases

• Topoisomerase

• DNA Helicase

• Exonuclease

• Telomerase

What is the backbone of DNA made of?

• Nitrogen bases

• Amino acids

• Double H

• Sugar & Phosphate

The separation of the two single strands of DNA creates a ‘Y’ shape?

• enzyme

• unzip

• A replication fork

This enzyme is responsible for creating telomeres added to the ends of DNA

• Topoisomerase

• Telomerase

• DNA Helicase

• DNA Primase