Translation and Regulation
Which of the following defines an open reading frame (ORF)?

A plasmid vector used in genome sequencing
A sequence of genome in bacteriophage
The sequence of a complete genome
A possible gene predicted by DNA sequencing

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Translation and Regulation
A quorum sensing system

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

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