IB Biology HL C2.1.10 Hl Epinephrine Adrenaline Mechanism Topic Practice

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Study C2.1.10 (HL)—Epinephrine (adrenaline) mechanism conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

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The diagram shows a G protein, bound to a G protein-coupled receptor (GPCR), a transmembrane receptor which responds to epinephrine (adrenaline).

Figure for Question 1 — IB Biology HL

Explain how epinephrine exerts its effects in the cell.

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