Biology PYQ 14 of 227 · Biomolecules & DNA/RNA

Double-helical structure of DNA was given by whom?

  1. AJacob and Monod
  2. BWatson and Crick
  3. CH.G. Khorana
  4. DNone of the above

UPPSC 2018

Show answer and explanation

Correct answer: (b) Watson and Crick

Explanation

Watson and Crick described the double-helix structure of DNA in 1953, aided by Rosalind Franklin's X-ray data.

They shared the 1962 Nobel Prize with Maurice Wilkins.

Distractors: Jacob and Monod explained gene regulation (operon); Khorana worked on the genetic code.

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