In the two-component signaling mechanism in E. coli chemotaxis, which amino acid is phosphorylated?
A) serine
B) histidine
C) aspartate
D) threonine
E) both histidine and aspartate

Question

Quizplus · Accepted Answer

In the two-component signaling mechanism, histidine in the sensor kinase is initially phosphorylated, and then the phosphate group is transferred to an aspartate residue in the response regulator. This process is essential for signal transduction in bacterial chemotaxis.

In the Two-Component Signaling Mechanism in E