STANDARD Zoology Nucleic Acids MCQ Question with Solution

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by

A

(Base-sugar)n

B

Base-sugar-OH

C

Base-sugar-phosphate

D

Sugar-phosphate

Option C

Nucleoside = Base + Sugar. Nucleotide = Base + Sugar + Phosphate.

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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.