Biology A-Level
Target cell response
What Target cell response means in Biology A-Level, as defined for OCR.
Definition of Target cell response
Check what you remember
Read the wording for your board, then hide it and explain Target cell response in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Binding triggers a response inside the target, such as opening an ion channel, activating an enzyme cascade or altering gene expression.
Topics that use Target cell response
- Communication and homeostasis (OCR A-Level)
Related terms
- cell specialisation
- Local versus long-distance signalling
- Negative feedback pathway
- Nervous and endocrine coordination
- Optimal conditions for cell function
- Surface area to volume ratio and diffusion limits
- Thermoregulation in ectotherms
- Thermoregulation in endotherms
Using Target cell response in the exam
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