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DNA Replication pt 1

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

The picture below shows an enzyme unwinding and unzipping DNA.

​What is the name of this enzyme?

a)

DNA Helicase

b)

DNA Ligase

c)

DNA polyermase

d)

RNA Polymerase

2.

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

a)

5'UACGAGUCGACU3'

b)

5'TACGAGTCGACT3'

c)

3'UACGAGUCGACU5'

d)

3'TACGAGTCGACT5'

3.

Which letter in the given picture depicts the okazaki fragments?

a)

A - lagging strand

b)

C - leading strand

c)

B - lagging strand

d)

C - replication fork

4.
Which of the following is required for DNA replication to occur?
a)
DNA helicase
b)
DNA ligase
c)
DNA polymerase
d)
all of these
5.

During replication, what enzyme adds an RNA segment?

a)

Helicase

b)

Primase

c)

Ligase

d)

Polymerase II

6.

Which enzyme is responsible for adding nucleotides to the free three prime end

a)

Helicase

b)

Topoisomerase

c)

DNA Polymersase 3

d)

DNA Polymersase 1

7.

Which enzyme removes RNA Primers and adds DNA dNTP's

a)

Ligase

b)

Polymerase 1

c)

Polymerase 3

d)

Helicase

8.

Direction that DNA is replicated

a)

3' to 5'

b)

5' to 3'

9.
What strand is copied faster?
a)
Leading
b)
Lagging
10.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands