You Are Attempting to Determine Which Step of Prokaryotic Translation

question 19

Multiple Choice

You are attempting to determine which step of prokaryotic translation a new antibiotic inhibits.You have determined that the antibiotic interacts with a translational factor but need to identify which one.If the new antibiotic interferes with elongation,which of the following factors could be a potential site of action?

• A)IF3 interaction with an aminoacyl tRNA
• B)EF-Tu placement of N-formylmethionine onto the ribosome
• C)EF-Tu interaction with an aminoacyl tRNA
• D)EF-Ts translocation of tRNAs from the A site to the P site
• E)All of these could be potential sites of action.

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