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DNA REPLICATION KEY TERMS QUIZ

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

This enzyme is used to remove short RNA bases

a)

Topoisomerase

b)

DNA Helicase

c)

Exonuclease

d)

Telomerase

2.

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

a)

Topoisomerase

b)

DNA Helicase

c)

DNA Polymerase

d)

Exonuclease

3.
Which enzyme seals okazaki fragments together on the lagging strand?
a)
Topoisomerase
b)
Helicase
c)
Polymerase
d)
Ligase
4.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
5.

This enzyme helps helicase unzip DNA by relieving supercoiling

a)

Topoisomerase

b)

Exonuclease

c)

DNA Primase

d)

DNA Polymerase

6.

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

a)

Topoisomerase

b)

Telomerase

c)

DNA Helicase

d)

DNA Primase

7.

This enzyme synthesizes short RNA sequences to guide DNA Polymerase

a)

Primers

b)

DNA Primase

c)

DNA Polymerase

d)

Topoisomerase

8.

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

a)

DNA Polymerase

b)

DNA Primase

c)

DNA Helicase

d)

RNA Polymerase

9.

Okazaki fragments are found on the _______________ strand

a)

Leading

b)

Lagging

10.

This enzyme ONLY works in one direction which is 5'------> 3'

a)

DNA Polymerase

b)

DNA Helicase

c)

Topoisomerase

d)

Telomerase

11.

What is the LAST enzyme used in DNA replication

a)

Topoisomerase

b)

Telomerase

c)

DNA Polymerase

d)

DNA Ligase

12.

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

a)

DNA Helicase

b)

DNA Ligase

c)

Topoisomerase

d)

Telomerase

13.

These protein are responsible for making sure the strands of DNA do NOT recombine after they have been separated.

a)

initiator proteins

b)

single stranded binding proteins

c)

hydrogen bonds

d)

helicase

14.

These proteins are responsible for locating the origin of replication within DNA, and to call on other enzymes and protein once it is found.

a)

initiator proteins

b)

origin of replication

c)

single stranded binding proteins

d)

ligase

15.

This is the site of DNA were the sequences are very specific and is recognized by initiator proteins.

a)

origin of replication

b)

initiator proteins

c)

helicase

d)

single stranded binding proteins