Biology A-Level
colour change and quantification
What colour change and quantification means in Biology A-Level, as defined for AQA.
Definition of colour change and quantification
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Reference: AQA
The enzyme converts an added substrate to produce a colour change, and the intensity of the colour is proportional to the quantity bound.
Topics that use colour change and quantification
- Cell recognition and the immune system (AQA A-Level)
Related terms
- active immunity
- agglutination
- animal use in production and testing
- antibody
- antigen
- antigen-antibody complex
- antigen-presenting cell
- antigens in vaccines
Using colour change and quantification in the exam
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