Translation and Regulation
Which of the following is a nontranslated sequence located between the transcription and the translation start site?

Reading frame
Trailer sequence
Leader sequence
Ending frame

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Translation and Regulation
A quorum sensing system

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

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Translation and Regulation
The role of molecular chaperones is to

facilitate binding of ribosomes to mRNA
aid a newly synthesized polypeptide in folding to its proper shape
degrade newly synthesized polypeptides that contain inaccurate sequences
facilitate binding of RNA polymerase to DNA

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