Biology GCSE
microbial smear preparation and heat-fixing
What microbial smear preparation and heat-fixing means in Biology GCSE, as defined for OCR.
Definition of microbial smear preparation and heat-fixing
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Read the wording for your board, then hide it and explain microbial smear preparation and heat-fixing in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Mixing a loopful of culture in sterile water on a glass slide, air-drying, and heat-fixing gently over a Bunsen flame to adhere cells without distorting cellular morphology.
Topics that use microbial smear preparation and heat-fixing
- 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
- microbiological scientific drawing
- negative control verification
- safe zone measurement through closed dish
Using microbial smear preparation and heat-fixing in the exam
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