DNA Scientists

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

• Topoisomerase

• DNA Helicase

• DNA Polymerase

• Exonuclease

What is the purpose of DNA replication?

• Cut the DNA 

• Make more cells

• Apoptosis

• Duplicate the DNA

Which enzyme seals okazaki fragments together on the lagging strand?

• Topoisomerase

• Helicase

• Polymerase

• Ligase

What do we call DNA replication since new DNA has 1 parent strand and 1 new strand?

• Conservative 

• Semiconservative 

• Dispersive

What is the backbone of DNA made of?

• Nitrogen bases

• Amino acids

• Double H

• Sugar & Phosphate

Why is it crucial that living things are able to replicate their DNA?

• Each cell must have its own DNA

• Less copies of DNA are needed when a new cell is created

• A cell needs multiple copies of DNA

• Only muscle cells need DNA 

Tags

NGSS.HS-LS3-2

This enzyme helps helicase unzip DNA by relieving supercoiling

• Topoisomerase

• Exonuclease

• DNA Primase

• DNA Polymerase

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

• DNA Polymerase

• DNA Primase

• DNA Helicase

• RNA Polymerase

In what direction does the Leading strand run?

• 3' ----> 5'

• 5' -----> 3'

• It doesn't matter

• Both directions

Okazaki fragments are found on the _______________ strand

• Leading

• Lagging