Read the following statements. I. Apurine is heterocyclic, …

Biology Molecular Basis of Inheritance Statement Based Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Read the following statements.

I. Apurine is heterocyclic, 9-membered double ring structure with nitrogen at 1st, 3rd, 7th and 9th positions.

II. Apyrimidine is heterocyclic, 6-membered single ring structure with nitrogen at 1st and 3rd positions.

III. Purine nucleosides have1¢-9 glycosidic linkage whereas pyrimidine nucleosides have1¢-1-glycosidic linkage.

IV. Two nucleosides are linked by 3¢-5¢ phosphodiester linkage to form a dinucleotide.

V. Ribose sugar can be represented asC5H10O4 whereas deoxyribose sugar can be represented asC5H10O5 .

Which of the above statement(s) is/are correct?

Only I

I, II, III and IV

III, IV and V

IV and V

Text Solution

Verified by Experts

The correct answer is:

NOT AVAILABLE

──────────────────────────────────────────────────────────────────────────────────────────

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.