Required Practical 11 A2 Biology
This practical brings together all the skills practiced so far: a serial dilution and a calibration curve.
In the video you see how to use quantitative Benedicts Reagent with a dilution series. You would then use the colorimeter as shown in other videos to measure absorbance and plot this on the Y axis with Concentration on the X axis to identify which person, Tom, Dick or Harry has diabetes.