Autoinducers Regulate Gene Expression by

question 24

Multiple Choice

Autoinducers regulate gene expression by

• A) accumulating inside the cell until enough is present to bind repressor proteins and stop transcription.
• B) accumulating inside the cell until enough is present to bind activator proteins and initiate transcription.
• C) interacting with small RNAs to either inhibit or enhance transcription.
• D) diffusing out of the cell and when a critical cell density is reached, moving back in and binding to a regulatory protein to initiate transcription.
• E) being synthesized after glucose is used up, thereby bypassing catabolite repression.

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Definitions:

Clever Hans

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Flashing Signals

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Principle of Parsimony

A methodological principle suggesting that the simplest explanation is often the correct one when comparing theories with equal predictive capabilities.

Parsimonious

A characteristic of an explanation or theory that requires the fewest assumptions, variables, or changes to be effective or accurate.