In the dairy industry, the enzyme lactase is used to produce lactose-free milk by breaking down the disaccharide lactose into glucose and galactose.
Describe an investigation to find the optimum temperature at which a liquid lactase enzyme is most effective at breaking down lactose in milk.
Your answer should include experimental details and be written in full sentences.
21 exam-style questions on Edexcel IGCSE Biology Biological molecules. Each one has a worked solution and a mark scheme showing where the marks go.