IB Biology HL C2.1.10 Hl Epinephrine Adrenaline Mechanism Questions
Practise IB Biology HL 2.1.10 by applying epinephrine (adrenaline) mechanism concepts to exam questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Identify epinephrine as a ligand that binds a G-protein-coupled receptor in the cell membrane.
- Explain how receptor activation activates a G protein and adenylyl cyclase to produce cyclic AMP.
- Relate cyclic AMP as a second messenger to the cellular response and changes in blood-glucose data.
IB Biology HL C2.1.10 Hl Epinephrine Adrenaline Mechanism Questions question 1
The diagram shows a G protein, bound to a G protein-coupled receptor (GPCR), a transmembrane receptor which responds to epinephrine (adrenaline).
Explain how epinephrine exerts its effects in the cell.
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