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

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

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Translation and Regulation
A quorum sensing system

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

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