In Bacteria, sensor kinases that respond to extracellular signals transfer this signal to the cytoplasmic machinery by typically phosphorylating the ________ residues.
A. histidine
B. serine
C. threonine
D. tyrosine
Answer:A
In Bacteria, sensor kinases that respond to extracellular signals transfer this signal to the cytoplasmic machinery by typically phosphorylating the ________ residues.
A. histidine B. serine C. threonine D. tyrosine