CAIE A-Level Biology A2 14.1.9 Glucagon Cell Signalling Questions
Explain glucagon cell signalling using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Explain glucagon cell signalling using evidence from each question and mark scheme.
When blood glucose concentration decreases, glucagon is released by the pancreas into the blood and is transported to the cells.
Fig. 6.1 outlines the effect of glucagon on liver cells.
Fig. 6.1
Identify P, Q, R and S shown in Fig. 6.1.
P
Q
R
S
P: receptor ;
Q: adenyl(yl) cyclase ;
R: G-protein ;
S: cyclic AMP / cAMP ;