STANDARD Zoology Nucleotide Structure MCQ Question with Solution

Examine the following figures and select the right answer in which diagrammatic representation of a nucleotide is correctly shown

A

(1)

B

(2)

C

(3)

D

(4)

Option C

Nucleotide composed of ribose sugar bound with the base at c, position by glycosidic bond and to a phosphate at C5 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.