serial dilution
What serial dilution means in Biology A-Level, as defined for AQA, OCR.
Definitions of serial dilution
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Reference: AQA
Mixing equal volumes of stock and distilled water repeatedly so that each tube is half the concentration of the one before.
A stepwise series in which each dilution is made from the previous one, giving a geometric fall in concentration.
Topics that use serial dilution
- Control of blood glucose concentration (A-level only) (AQA A-Level)
- Use of apparatus and techniques (OCR A-Level)
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- Apparatus selection
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Using serial dilution in the exam
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