Which Pair Is NOT Matched Correctly

question 24

Multiple Choice

Which pair is NOT matched correctly?

• A) NtrC-regulates nitrogenase gene expression in response to NH₄⁺ concentration
• B) NtrB-phosphorylates NtrC when NH₄⁺ concentration is low
• C) NifL-forms a two-component signal transduction system with NtrC
• D) NifA-acts in concert with factor σ ^-54
• E) NifHDKTY-components of nitrogenase

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An indicator of the extent to which the demand or supply for a product shifts following a variation in its cost.

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