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प्रश्न
Who among the following has developed technique to synthesize artificial mRNA with known repeated sequences of two or three nucleotides?
विकल्प
F.H.C. Crick
Nirenberg and Matthaei
Dr. Har Gobind Khorana
Severo Ochoa
MCQ
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उत्तर
Dr. Har Gobind Khorana
Explanation:
Khorana developed methods to chemically synthesize long polyribonucleotides made of defined repeating di‑ and tri‑nucleotide sequences (e.g., CUC UCU … or CUA CUA …). Those synthetic RNAs were used in cell‑free translation experiments that helped assign many codons.
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