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Topic: Transcription, genetic code, translation, protein biosynthesis· Genetics and Evolution

The process of translation of mRNA to proteins begins as soon as :

1. The tRNA is activated and the larger subunit of ribosome encounters mRNA

2. The small subunit of ribosome encounters mRNA

3. The larger subunit of ribosome encounters mRNA

4. Both the subunits join together to bind with mRNA

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Answer: 2. The small subunit of ribosome encounters mRNA

Translation begins when the small ribosomal subunit binds to the mRNA. Then the initiator tRNA enters and the large subunit joins to form the initiation complex.

So the process starts as soon as the small subunit encounters mRNA, not the large subunit or both together.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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