1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Name the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.

A
Promotor
B
Regulator protein
C
Repressor protein
D
Inducer
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I : The process of copying genetic information from one strand of the DNA into RNA is termed as transcription.

Statement II : A transcription unit in DNA is defined primarily by the three regions in the DNA i.e., a promotor, the structural gene and a terminator.

In the light of the above statements, choose the correct answer from the options given below :

A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Which scientist conducted an experiment with 32P and 35S labelled phages for demonstrating that DNA is the genetic material?

A
james D. Watson and F.H. C. Crick
B
A. D Hershey and M.J. Chase
C
F. Griffith
D
O.T. Avery, C.M. MacLeod and M. McCarty
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I : RNA being unstable, mutate at a faster rate.

Statement II : RNA can directly code for synthesis of proteins hence can easily express the characters.

In the light of the above statements, choose the correct answer from the options given below :

A
Statement I is correct but Statement II is false
B
Statement I is incorrect but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
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