HARDMCQ SINGLEJEE Mains ChemistryOrganic ChemistryBiomoleculesAchiever Section

Which one of the following statements is true for protein synthesis (translation) ?

A.Amino acids are directly recognized by m-RNA

B.The third base of the codon is less specific✓ Correct

C.Only one codon codes for an amino acid

D.Every t-RNA molecule has more than one amino

Explanation

There is involvement of mRNA in copying sequences of bases from DNA strand to RNA molecule. According to the hypothesis made by Wobble, third base of codon is not significant. The specificity is determined by the first two bases from the triplet of nucleotide. Thus, the correct option is (b) the third base of the codon is less specific BIOMOLECULES 27

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