STANDARD Botany DNA Structure MCQ Question with Solution

Watson and Crick are known for their discovery that DNA

A

Is a single stranded helix

B

Contains deoxyribose only

C

Is a double stranded helix

D

Synthesizes rRNA

Option C

Watson and Crick discovered the double helix structure of DNA, which is composed of two strands that coil around each other.

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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.