Biology GCSE
stomata and guard cells
What stomata and guard cells means in Biology GCSE, as defined for OCR.
Definition of stomata and guard cells
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Reference: OCR
Microscopic pores bounded by pairs of guard cells, which become turgid in light to open the pore and flaccid in darkness to close it.
Topics that use stomata and guard cells
- The challenges of size (OCR GCSE)
Related terms
- active transport of minerals
- arteries
- blood plasma
- boundary layer
- compound measures
- diffusion distances
- double circulatory system
- erythrocyte adaptations
Using stomata and guard cells in the exam
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