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Har Gobind Khorana helped crack the genetic code mainly by

AProposing triplet codons
BDiscovering the stop codons
CChemically making defined RNAs
DBuilding a cell-free system
Answer & Solution
Correct answer: C. Chemically making defined RNAs
Khorana developed chemical methods to synthesise RNA with known base combinations, such as homopolymers and copolymers.
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