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Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a ‘triplet’
Options
(a) Hershey and CHase
(b) Morgan and Sturtevant
(c) Beadle and Tantum
(d) Nirenberg and Mathaei
Correct Answer:
Nirenberg and Mathaei
Explanation:
Nirenberg and Mathaei (1961) experi-men-tally proved that a single amino acid is determined by a sequence of three nitrogen bases. The sequence of three nitrogen bases determining a single amino acid is called a triplet code. Nirenberg and Mathaei experiments cracked the DNA and discovered unequivocally that a genetic code is a triplet.
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Question Type: Memory
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Substrate for alcohol formation is
- Which of the following is formed in S. Miller’s classic experiment?
- In bony vertebrates, the formation of bone is often preceded by the presence of a
- Protective layer of ozone in atomosphere exists in which layer?
- If global warming continues, the organism which may face more severe threat is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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