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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Identify initiation codon of mRNA from the following. - Biology

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प्रश्न

Identify initiation codon of mRNA from the following.

पर्याय

  • UAA

  • AUG

  • UAG

  • UGA

MCQ
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उत्तर

AUG

Explanation:

AUG is the universal start (initiation) codon in mRNA and specifies methionine in eukaryotes (and a modified methionine in bacteria). Translation typically begins when a ribosome recognises AUG in the proper context, so UAA/UAG/UGA act as stop (termination) codons, not starts.

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