Biomolecules
The presence or absence of hydroxyl group on which carbon atom of sugar differentiates RNA and DNA?
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Single Choice
The double strand helix structure of DNA was proposed by:
AHar Gobind Khorana
BWatson and Crick
Correct Answer
CA. R. Todd
DG. W. Kenner
Solution
Watson and Crick discovered the twisted ladder or double strand helix structure of the DNA wherein each strand is accompanied by a backbone made up of alternating groups of sugar and phosphate and to each sugar, one among the four bases, i.e, adenine, thymine, guanine, or cytosine is attached.
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