Which of the following are among the most common second messengers?
A. kinase and phosphate groups
B. G proteins and GTP
C. kinase and phosphatase
D. GTP and GDP
E. calcium ion and cAMP
Answer: E
Which of the following are among the most common second messengers?
A. kinase and phosphate groups
B. G proteins and GTP
C. kinase and phosphatase
D. GTP and GDP
E. calcium ion and cAMP
Answer: E