Explore topic-wise MCQs in Molecular Biology.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Polymerization of dNTP by DNA polymerase is in 3 5 direction.

A. True
B. False
Answer» C.
2.

How is the strength of the interaction between primase and helicase which regulates the length of Okazaki fragments?

A. Weak association short fragment
B. Strong association short fragment
C. Strong association long fragment
D. Does not depend on strength of association
Answer» C. Strong association long fragment
3.

Association of primase with DNA template is brought about by the interaction of primase with _________________

A. Dna polymerase III
B. Clamp-loader complex
C. Helicase and SSB protein
D. protein
Answer» D. protein
4.

Binding of polymerase III and helicase ensures helicase efficiency.

A. True
B. False
Answer» B. False
5.

DNA polymerase III holoenzyme does not need to interact with the helicase during replication.

A. True
B. False
Answer» C.
6.

The formation of the phosphodiester bond is an example of _________ reaction.

A. SN1
B. SN2
C. E1
D. E2
Answer» C. E1
7.

A complete DNA polymerase III holoenzyme contains ____________ subunits.

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
8.

With respect to DNA polymerase holoenzyme pick the odd one out.

A. 2 copies of DNA polymerase III
B. 5 protein complex
C. Presence of ATP
D. Presence of DNA
Answer» E.