Biology GCSE
zone of inhibition measurement
What zone of inhibition measurement means in Biology GCSE, as defined for OCR.
Definition of zone of inhibition measurement
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Reference: OCR
The diameter of each clear circular zone is measured in two perpendicular directions using a millimetre ruler to calculate mean diameter and clear zone area.
Topics that use zone of inhibition measurement
- Microbiological techniques (OCR GCSE)
Related terms
- convection current
- differential staining and contrast
- disc diffusion antimicrobial assay
- high-power microscopic resolution
- mass, gas volume and pH measurement
- microbial smear preparation and heat-fixing
- microbiological scientific drawing
- negative control verification
Using zone of inhibition measurement in the exam
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