NEET 2009 Biology question

Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a "triplet"?

(1)Hershey and Chase
(2)Morgan and Sturtevant
(3)Beadle and Tatum
(4)Nirenberg and MathaeiCorrect

Answer: (4)

Solution

Marshall Nirenberg and Johann Matthaei (1961) developed a cell-free system for protein synthesis with synthetic RNA (poly-U gave polyphenylalanine), which began deciphering the genetic code and showed that it

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Question ID VK-090276