why neutral ph always increase enzymatic activities
Answers
Answer:
Enzymes are also sensitive to pH . Changing the pH of its surroundings will also change the shape of the active site of an enzyme. ... This contributes to the folding of the enzyme molecule, its shape, and the shape of the active site. Changing the pH will affect the charges on the amino acid molecules.
Explanation:
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Answer:
Enzyme activity is at its maximum value at the optimum pH. As the pH value is increased above or decreased below the optimum pH the enzyme activity decreases.
Explanation
At very acidic and alkaline pH values the shape of the enzyme is altered so that it is no longer complementary to its specific substrate. This effect can be permanent and irreversible and is called denaturation.
The diagram below shows what happens to an enzyme when denaturation occurs.
A protein and a substrate which are complementary shapes. The pH of solution made very acidic or alkaline and they become non-complementary shapes.
Each enzyme has an optimum pH but it also has a working range of pH values at which it will still work well. 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. Catalase has an optimum pH of 9 and a working range of between pH 7-11. Most other enzymes function within a working pH range of about pH 5-9 with neutral pH 7 being the optimum.
Explanation: