1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

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
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

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
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statement is correct regarding the process of replication in E.coli?

A
'The DNA dependent DNA polymerase catalyses polymerization in one direction that is $$3^{\prime} \rightarrow 5$$'

B
The DNA dependent RNA polymerase catalyses polymerization in one direction, that is $$5^{\prime} \rightarrow 3^{\prime}$$
C
The DNA dependent DNA polymerase catalyses polymerization in 5' $$\rightarrow$$ 3' as well as $$3^{\prime} \rightarrow 5^{\prime}$$ direction
D
The DNA dependent DNA polymerase catalyses polymerization in 5' $$\rightarrow$$ 3' direction
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List - I List - II
A. Frederick Griffith I. Genetic code
B. Francois Jacob & Jacque Monod II. Semi-conservative mode of DNA replication
C. Har Gobind Khorana III. Tranformation
D. Meselson & Stahl IV. Lac operon

Choose the correct answer from the options given below:

A
A-III, B-II, C-I, D-IV
B
A-III, B-IV, C-I, D-II
C
A-II, B-III, C-IV, D-I
D
A-IV, B-II, C-II, D-III
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