Biology A-Level
Role of ions in membrane potentials and signalling
What Role of ions in membrane potentials and signalling means in Biology A-Level, as defined for OCR.
Definition of Role of ions in membrane potentials and signalling
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Reference: OCR
Potassium ions maintain the resting potential of neurones, while calcium ions trigger muscle contraction and stimulate exocytosis of neurotransmitters at synapses.
Topics that use Role of ions in membrane potentials and signalling
- Biological molecules (OCR A-Level)
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