Quorum sensing is a mechanism by which
A) bacteria "count" the numbers of mRNA molecules that are made for a specific gene.
B) bacteria adjust the stability of an mRNA based on the presence of a metabolite.
C) bacteria change their transcriptional output in a manner that depends on their population density.
D) bacteria adjust total transcription levels in proportion to glucose levels.
Correct Answer:
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Q25: Regulation of the tryptophan operon occurs through
A)
Q26: A riboswitch regulates gene expression
A) by influencing
Q27: Which part of a riboswitch-regulated mRNA binds
Q28: A riboswitch is a domain within certain
Q29: Alternative sigma factors
A) induce specific groups
Q31: Are transcription and translation "coupled" or "uncoupled"
Q32: Diagram a typical bacterial promoter. Exact sequences
Q33: Draw a rough sketch of the structure
Q34: Design an experiment to demonstrate that the
Q35: Which DNA strand is part of the
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