NEET 2024 (Re-Examination) | Molecular Basis of Inheritance Question 4 | Biology

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.

Statement I is true but Statement II is false.

Statement I is false but Statement II is true.

Both Statement I and Statement II are true.

Both Statement I and Statement II are false.

NEET 2024

MCQ (Single Correct Answer)

-1

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

Beta-galactosidase

Acetylase

Permease

Polymerase

NEET 2024

MCQ (Single Correct Answer)

-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;

Repressor, Operator gene, Structural gene

Structural gene, Transposons, Operator gene

Inducer, Repressor, Structural gene

Promotor, Structural gene, Terminator

NEET 2024

MCQ (Single Correct Answer)

-1

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

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

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

The DNA dependent DNA polymerase catalyses polymerization in 5' $$\rightarrow$$ 3' as well as $$3^{\prime} \rightarrow 5^{\prime}$$ direction

The DNA dependent DNA polymerase catalyses polymerization in 5' $$\rightarrow$$ 3' direction

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NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution