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Molecular Basis Of Inheritance

Question
CBSEENBI12047237
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Which of the following is structural subunit of DNA?

  • Protein

  • Carbohydrate

  • RNA

  • Nucleotide

Solution

D.

Nucleotide

Nucleotides are the single units that make up nucleic acids like RNA and DNA, they are building blocks of life. Each nucleotide contains three items :

(i) A heterocyclic nucleobase (purines or pyrimidines). 

(ii) A pentose sugar (ribose for RNA, deoxyribose for DNA).

(iii) A monophosphate, diphosphate or triphosphate.

Some More Questions From Molecular Basis of Inheritance Chapter

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

List three components of transcription unit.

Which RNA acts as an adapter ?

Name three kinds of polymerases.

What is splicing ?

Which is more stable DNA or RNA?

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