Biology A (Salters-Nuffield) A-Level
Cell signalling
What Cell signalling means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Cell signalling
Check what you remember
Read the wording for your board, then hide it and explain Cell signalling in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A neurone meets another cell at a junction, and neurotransmitter released from the presynaptic knob carries the signal across to the postsynaptic membrane.
Topics that use Cell signalling
- Topic 8: Grey Matter (Pearson Edexcel A-Level)
Related terms
- Animal experiments
- Animal models in neuroscience research
- Antagonistic muscle action
- Autonomic control of the pupil
- Benefits
- Cerebral hemispheres
- Co-ordination
- Critical period
Using Cell signalling in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge