JEE Main 2003 — Biomolecules Question with Solution
From: AIEEE 2003
Question
The reason for double helical structure of is operation of
Choose an option
Show full solutionCorrect option: B
Correct answer
Bhydrogen bonding
Step-by-step explanation
consists of two polynucleotide chains, each chain forms a right handed spiral with ten bases in one turn of the spiral. The two chains coil to double helix and run in opposite direction held together by hydrogen bonding.
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This is a previous-year question from JEE Main 2003, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.