Zoom in The graph below represents the effect of pH on three different enzymes at normal body temperature.
The Effect of pH on Three Different
Enzymes at Normal Body Temperature
Key
Enzyme 1
· Enzyme 2
Enzyme 3
Relative Rate of
Enzyme Activity
2 4 6 8 10 12
pH
1
The graph illustrates that enzymes 1, 2, and 3
(1) are not affected by pH
2) work best at different pH levels
(3) work best in an acidic environment
(4) work best in a basic environment