In the E. coli signaling transduction pathway, which of the following is true about the OmpR protein?
A) When phosphorylated, it acts as a transcription factor for OmpC.
B) It exists both inside and outside the cell membrane.
C) It is a receptor.
D) Both a and b
E) All of the above

Question

Quizplus · Accepted Answer

OmpR is a response regulator in the two-component system of E. coli. When phosphorylated, it acts as a transcription factor, regulating the expression of outer membrane proteins like OmpC. It does not exist outside the cell membrane nor is it a receptor.

In the E Coli Signaling Transduction Pathway, Which of the Following Is