plumiCommunication and cell signalling: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 5.1.1.1 Communication and cell signalling, 2016–2025, with mark schemes and examiner’s reports where available.
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Q2(a)(ii)
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Open the full PDFYour answerQ18(b)
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All 5 questions on Communication and cell signalling, as a list
- June 2025, Paper 3, Q2(a)(ii) (2 marks): Suggest how the binding of beta blockers to adrenaline receptors prevents the conversion of ATP to cAMP. [2]
- June 2023, Paper 1, Q12 (1 mark): Which of the statements about communication systems is correct? A Cell signalling acts only over short distances. B Communication systems are required to coordi
- June 2022, Paper 1, Q10 (1 mark): Which process is an example of cell signalling? A Binding of a virus to a receptor on the cell surface membrane of an epithelial cell in the upper respiratory t
- June 2019, Paper 1, Q3 (1 mark): Which of the following, A to D, is not an example of cell signalling? A The hormone insulin being removed from the blood by the glomerulus. B The neurotransmitt
- June 2019, Paper 1, Q18(b) (2 marks): Acetylcholine (ACh) is a neurotransmitter in mammals. Studies have suggested that it also functions as a hormone in some invertebrate species, such as squid. Wh
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