This investigation tests how well the enzyme amylase performs at different pH values. Amylase is a carbohydrase enzyme made by the pancreas and by glands in and around the mouth and throat. It helps ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 113, No. 28 (July 12, 2016), pp. 7822-7827 (6 pages) The structural origin of enzyme adaptation to low temperature ...

Independent variable - pH level Dependent variable - Time taken for starch to be broken down. Control variables - Temperature, volume and concentrations of enzyme solution and starch solution.