IB Biology Internal Assessment Exemplar: Which of the following metal ions (Cu2+ , Zn2+ , Al3+ , Fe2+ , Pb2+ ) exhibits the strongest inhibitory effect on amylase activity during the hydrolysis of starch extracted from russet potato (Solanum tuberosum), determined by measuring the absorbance (±0.001 Au) at 540 nm after incubation at 37℃ (±0.1℃) for 600 s (±0.01 s)? | RevisionDojo