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.

The bacterial system has _____________ RNA polymerases.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
2.

Which of the following is not part of the RNA polymerase core enzyme?

A.
B.
C.
D.
Answer» E.
3.

What is the function of the subunit of RNA polymerase?

A. Subunit association
B. Promoter binding
C. Initiation and elongation
D. Cation binding
Answer» B. Promoter binding
4.

Four types of factors are known of them which one is heat stable?

A. <sup>70</sup>
B. <sup>32</sup>
C. <sup>54</sup>
D. <sup>28</sup>
Answer» B. <sup>32</sup>
5.

The RNA polymerase core enzyme converts into a holoenzyme on the addition of the _________ subunit.

A.
B.
C.
D.
Answer» E.
6.

The subunit of polymerase has a function of ________________

A. Promoter binding
B. Elongation
C. Cation binding
D. Termination
Answer» D. Termination
7.

Presence of the heparin promotes transcription.

A. True
B. False
Answer» C.
8.

The subunit of polymerase has a function of ____________

A. Promoter binding
B. Catalytic center
C. Template binding
D. Cation binding
Answer» C. Template binding