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Aim: To investigate the effect of the concentration of starch on an amylase controlled reaction Introduction (Background Knowledge): I am going to be investigating the effect of the concentration of starch on an amylase controlled reaction. Amylase is a type of digestive enzyme, which is usually found in a human's saliva and small intestine to help digest starch and other long-chained carbohydrates engulfed. An enzyme is a macromolecule (a molecule with a large molecular mass) and a protein that catalyses, or speeds up, a chemical reaction. Enzymes work effectively due to their complex structure and shape. The section of an enzyme where the reaction(s) and combining with reactants (or substrates) take place is called the 'active site'. The enzyme allows the products to form from the substrate by making and breaking chemical bonds easily (and in this case, the starch bonds will be broken). Enzymes are 'recyclable', meaning that they are...

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