Question
Study the mRNA Segment given above which is complete to be translated into a polypeptide chain.
- Write the codons ‘a’ and ‘b.'
- What do they code for?
- How is peptide bond formed between two amino acids in the ribosome?
✓
Answer
a - AUG.
b - UAA/UAG/UGA.
AUG code for Methionine.
UAA/UAG/UGA - Stop codon/Nonsense codon/Does not code for any amino acid.
Charged tRNA are brought closer together on mRNA in the ribosomes, and Ribosomes acts as a catalyst (ribozyme) forming peptide bond.
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