IB Biology Internal Assessment Exemplar: How do the levels of pH (2.5, 3.5, 4.5, 5.5, 6.5, 7.5, ±0.2pH), modeled with HCl and NaOH to represent the pH of common caffeinated beverages, affect the rate of starch hydrolysis by α-Amylase, as measured by colorimetric analysis (±0.0005 Au)? | RevisionDojo