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
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Gene expression of nitrogenase through NtrC is
Q20: Which of the following is the reducing
Q21: Discuss evidence that supports the idea that
Q22: How does the reductive or reverse TCA
Q23: Biological nitrogen fixation is energetically expensive. Assuming
Q25: In the reductive TCA cycle, four or
Q26: What are nonribosomal peptide antibiotics? How are
Q27: The bacterial enzyme nitrogenase performs the reduction
Q28: Why do most fatty acids contain an
Q29: What methods do microorganisms NOT use to