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YouTubeMiss Estruch Teach & Tell
Miss Estruch | Biology Teacher, Resources & CPD on Instagram: "Required Practical 11 is the perfect mix of hands-on lab work and data analysis.⁠ You make a serial dilution, react glucose solutions with Benedict’s reagent, use a colorimeter to measure absorbance, and plot a calibration curve so you can identify the glucose concentration of an unknown sample (yes — our pretend urine!).⁠ ⁠ This practical is tested every single year because it brings together accuracy, reliability, graph skills, and
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Miss Estruch | Biology Teacher, Resources & CPD on Instagram: "…
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