4.2

Question 1

What does helicase do?

Answer 1

Separates DNA strands.

Question 2

What does RNA primer do?

Answer 2

Puts primer on strands to initiate DNA synthesis

Question 3

What does DNA Polymerase III do?

Answer 3

Synthesizes DNA strands

Question 4

What does DNA Polymerase I do?

Answer 4

Repairs and edits broken or wrongly attached DNA

Question 5

What does Ligase do?

Answer 5

Glues DNA strands together

Question 6

What direction does DNA replicate in?

Answer 6

5 prime to 3 prime direction

Question 7

What word describes the direction of DNA strands?

Answer 7

Antiparallel

Question 8

What are the fragments called that form on the lagging strand?

Answer 8

Okazaki Fragments

Question 9

Do mistakes happen in DNA replication? What happens to fix it?

Answer 9

Polymerase 3 DOES make mistakes and Polymerase 1 comes in and edits the typos afterward.

Question 10

Are strands continuous?

Answer 10

No, they are semi-discontinuous; lagging strands have to reset the replication because they move antiparallel to the leading strand which is going WITH the Polymerase.