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DNA replication

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

DNA replication occurs during:

a)

G1 of interphase

b)

metaphase of mitosis

c)

s phase of interphase

d)

Cytokinesis

2.

The enzyme that separate the double helix of DNA is called:

a)

DNA polymerase

b)

salivary amylase

c)

DNA ase

d)

Helicase

3.

The enzyme that synthesizes the new strand of DNA is called:

a)

Primase

b)

Helicase

c)

RNA polymerase

d)

DNA polymerase

4.

The direction of DNA replication is:

a)

3’—>5’

b)

5’—> 3’

c)

upward

d)

I don’t know 🥺

5.

Primase synthesizes a fragment kf RNA called:

a)

Messenger RNA

b)

Ribosomal RNA

c)

Primer

d)

who cares🥴

6.

Okazaki fragments are ligated by an enzyme called :

a)

DNA polymerase

b)

Primase

c)

Helicase

d)

Ligase

7.

DNA replication is:

a)

Conservative

b)

Semi-conservative

c)

Dispersive

d)

Continuous

8.

The 2 strands of the new molecule of DNA obtained at the end of replication are:

a)

Both parental

b)

Both new

c)

made up of new and parental fragments each

d)

1 parental and one new

9.

If the parental strand is : AATCCGAT, the new strand will be:

a)

AAUCCGAU

b)

UUAGGCUA

c)

TTAGGCTA

d)

AATCCGAT

10.

Lagging strand is the :

a)

Continuous strand

b)

Parental strand

c)

New strand

d)

Discontinuous strand