Translation and Regulation
What is the action of tetracycline in prokaryotes?

It blocks peptidyl transferase reaction on ribosomes
It blocks the binding of amino-acyl tRNA to the A site of ribosomes
It blocks translocation reaction on ribosomes
Not known with certainity

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Translation and Regulation
The ribosome binding site

is located immediately upstream of the start codon
is located upstream of the promoter sequence
is more likely to be associated with an operon than with a gene encoding a single protein
forms a stem-loop structure in the RNA

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