Explore topic-wise MCQs in Molecular Biology.

This section includes 5 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.

If the Mut H cuts the DNA at the 5 side of the mismatch then which nuclease is activated?

A. Exonuclease VII
B. Exonuclease VIII
C. Exonuclease I
D. Exonuclease IX
Answer» B. Exonuclease VIII
2.

By which enzyme does E. coli tags its parental DNA strand?

A. Methylase
B. Polymerase
C. Phosphorylase
D. Acetylase
Answer» B. Polymerase
3.

Mismatch repair system is ATP dependent.

A. True
B. False
Answer» B. False
4.

The nicking of DNA is followed by the adherence of a helicase known as __________

A. Uvr D
B. Uvr A
C. Uvr B
D. Uvr C
Answer» B. Uvr A
5.

Mut S recruits how many component(s) to the mismatched site?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3