Which of the following would cause GPK activity to be 50% upon the addition and
ID: 62229 • Letter: W
Question
Which of the following would cause GPK activity to be 50% upon the addition and subsequent removal of epinephrine to a mutant liver cell?
Ca2+ channels on the ER were unable to bind IP3
A.Ca2+ channels on the ER were unable to bind IP3
B. Certain S or T on the alpha or beta subunits of GPK were changed to A C. Certain S or T on the gamma subunit of GPK were changed to A D. Certain S or Ts on the alpha or beta subunits of GPK were changed to E E. Certain S or Ts on the gamma subunit of GPK were changed to EExplanation / Answer
A. Ca2+ channels on the ER were unable to bind IP3