aseptic technique
What aseptic technique means in Biology A-Level, as defined for AQA, OCR.
Definitions of aseptic technique
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Reference: AQA
A method that keeps unwanted microorganisms out when growing a bacterial lawn on sterile nutrient agar to test antimicrobial substances.
The set of precautions that keeps a culture pure by excluding unwanted contaminants while allowing the desired microorganism to grow.
Topics that use aseptic technique
- Genetic diversity and adaptation (AQA A-Level)
- Cloning and biotechnology (OCR A-Level)
Related terms
- advantage depends on environment
- Advantages and limitations of immobilisation
- Advantages of cloning plants artificially
- allele
- allele passed to offspring
- altered tertiary structure
- Artificial embryo twinning
- bacterial lawn
Using aseptic technique in the exam
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