In Terms of Controlling Chemotaxis, the Proteins Involved Control Chemotaxis

question 42

Multiple Choice

In terms of controlling chemotaxis, the proteins involved control chemotaxis in which way?

• A) They control which form of flagellin is expressed.
• B) They change the direction of the flagella from counterclockwise to clockwise and back.
• C) They promote longer "tumbles" when a chemoattractant is present.
• D) They increase the phosphorylation of CheY so that there are more counterclockwise flagella.
• E) They respond to demethylation of methyl-accepting chemotaxis proteins to bring about longer runs.

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