Learners can observe the biochemical reactions in cells through investigatins of the reactin rates of enzymes when temperature, ph and enzyme concentrations are varied, Enough materials are included for 30 students to perform these experiments, working in pairs, Includes: Reproducible student worksheets and complete instructins, Includes MSDS, For grades 7 to 12 and ages 12 to 18 years, SKU: UNMAP5663