1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelles.

Statement II: All the three RNA polymerases in eukaryotic nucleus have different roles.

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 incorrect
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are correct
D
Both Statement I and Statement II are incorrect
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I : RNA interference takes place in all Eukaryotic organisms as method of cellular defense.

Statement II : RNAi involves the silencing of a specific mRNA due to a complementary single-stranded RNA molecule that binds and prevents translation of mRNA

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 2024
MCQ (Single Correct Answer)
+4
-1

The lactose present in the growth medium of bacteria is transported to the cell by the action of

A
Beta-galactosidase
B
Acetylase
C
Permease
D
Polymerase
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and down stream end;

A
Repressor, Operator gene, Structural gene
B
Structural gene, Transposons, Operator gene
C
Inducer, Repressor, Structural gene
D
Promotor, Structural gene, Terminator
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