Chapter 184 of 2363 min read
Transcription, genetic code, translation
Why this is asked: The genetic code is degenerate — most amino acids answer to more than one codon — but not evenly: methionine (AUG) and tryptophan (UGG) are the two exceptions with only a single codon each, which is exactly why AUG can double as both the start signal and an amino-acid codon without ambiguity.
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- •Which factor is important for the termination of transcription?
- •Who proposed that the genetic code for amino acids should be made up of three nucleotides?
- •Given below are two statements: Statement I: Transfer RNAs and ribosomal RNA do not interact with mRNA. Statement II: RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence. In the light of the above statements, choose the most appropriate answer from the options given below:
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