Which effect does a gradual decrease in pH from 13 to 1 have on the action of amylase?
1. slows it down only
2. slows it down then speeds up
3. speeds it up only
4. speeds it up then slows down

This is because amylase is an enzyme and enzymes like to operate at specific temperatures and a certain pH. Amylase tends to have an optimal pH of around 7.

When an enzyme is taken outside of its pH range, it becomes denatured and stops functioning properly, affecting enzyme activity and reaction rates.

Thus, going from 13 to 7 will bring amylase closer to its optimal pH range, increasing enzyme activity. But going from 7 to 1 will take the enzyme away from its optimal pH, decreasing enzyme activity.

Which effect does a gradual decrease in pH from 13 to 1 have on the action of amylase? 1. slows it down only 2. slows it down then speeds up 3. speeds it up only 4. speeds it up then slows down

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Which effect does a gradual decrease in pH from 13 to 1 have on the action of amylase?
1. slows it down only
2. slows it down then speeds up
3. speeds it up only
4. speeds it up then slows down