Which of the Following Best Describes the Preparation of FMet-TRNA_f^met

question 27

Multiple Choice

Which of the following best describes the preparation of fMet-tRNA_f^met for translation in prokaryotes?

• A)Met is first formylated,then added to a tRNA specific for the start codon that differs from that designed to carry Met.
• B)Met is first added to a tRNA specific for the start codon that differs from that designed to carry Met,then is formylated.
• C)Met is first formylated,then added to a "regular" tRNA;the fact that it has the formyl group allows use in the initiation codon.
• D)Met is first added to a "regular" tRNA,then is formylated;the fact that it has the formyl group allows use in the initiation codon.
• E)f-Met isn't used in prokaryotes,only in eukaryotes.

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