Translation and Regulation
Which of the following modified amino acid is used at the starting of most prokaryotic proteins?

N-formylserine
N-formylmethionine
N-formylleucine
N-formylalanine

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Translation and Regulation
The ribosome binding site

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

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Translation and Regulation
A quorum sensing system

detects a signal from the external environment
controls the activity of ribosomes directly
consists of a sensor component that phosphorylates a regulatory protein
senses a compound produced by the bacterium itself

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