Do enzymes take action better basic pH or under acid

Do enzymes take action better basic pH or under acid?




Most of enzymes take action in pH between 6 and 8, a range which corresponds to the general acidic level of the blood and cells. There are enzymes, but, that act only under extremely acid or extremely basic pH. Consequently enzyme activity depends on the pH interval. In stomach, for instance, the gastric juice has an extremely low pH, it is around 2, and there enzyme pepsin which is acts to intensively digest proteins. In duodenum, pancreatic secretions raise the pH of enteric juice for the action of other digestive enzymes, for instance, trypsin.

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