Select the incorrectly matched pair.

Initiation codons - AUG, GUG

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Stop codons - UAA, UAG, UGA

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Methionine - AUG

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Anticodons - RNA

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Solution

The correct option is D Anticodons - RNA
Polypeptide synthesis is signalled by two initiation codons - AUG (methionine) and GUG (valine). Polypeptide chain termination is signalled by three termination codons UAA (ochre), UAG (amber) and UGA (opal). They do not specify any amino acid and are hence called non-sense codons. Anticodon loop is present on tRNA.

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Similar questions

Select the incorrect statement(s).

1. Six codons do not code for any amino acid.

2. Codon is read in mRNA in a contiguous fashion.

3. Three codons function as stop codons.

4. The initiator codon AUG codes for methionine .

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