Which statement describes an event in translation?

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Study for the A2 Genetic Control of Proteins Test. Engage with flashcards and multiple choice questions, each question is accompanied by hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

Which statement describes an event in translation?

Explanation:
In translation, the first crucial step is the ribosome attaching to the mRNA molecule. This binding positions the mRNA so the ribosome can read its codons and recruit tRNAs carrying amino acids to build the growing protein chain. The other statements describe processes from transcription or nuclear export rather than translation: separating DNA strands occurs during DNA replication or transcription, creating an RNA template; forming an mRNA from DNA bases is transcription; and mRNA exiting the nucleus happens after transcription but before translation, not during translation itself. So attaching to the mRNA is the event that defines translation.

In translation, the first crucial step is the ribosome attaching to the mRNA molecule. This binding positions the mRNA so the ribosome can read its codons and recruit tRNAs carrying amino acids to build the growing protein chain. The other statements describe processes from transcription or nuclear export rather than translation: separating DNA strands occurs during DNA replication or transcription, creating an RNA template; forming an mRNA from DNA bases is transcription; and mRNA exiting the nucleus happens after transcription but before translation, not during translation itself. So attaching to the mRNA is the event that defines translation.

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