and enzyme activity will slow down if conditions are not ideal. For example, your normal body temperature is 98.6°F (37°C), but if you have a fever and your temperature is above 104°F (40°C), some ...

This depends on the type of enzyme. The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. Pepsin has an optimum of pH 2.5 and a working range of between pH 1-4.

for instance in the digestive system where cell pH is kept at 7.0 to 7.4. Cellular enzymes will work best within this pH range. The optimum pH in the stomach is produced by the secretion of ...