STANDARD Zoology Nucleic Acids MCQ Question with Solution

The 5' end of polynucleotide chain is attached to

A

Hydroxyl group

B

Carboxyl group

C

Methyl group

D

Phosphate group

Option D

The 5' end of polynucleotide chain is attached to phosphate group by phosphodiester bond.

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Escherichia coli has _______, and haploid content of human DNA is _______

Assertion (A): DNA is the predominant genetic material in most organisms. | Reason (R): DNA is more chemically and structurally stable than RNA.

What is the function of tRNA in the process of translation?

Assertion (A): Euchromatin is transcriptionally active chromatin. | Reason (R): Euchromatin is more densely packed and stains dark.