All enzymes have an ph that their activity will be highest at. As the pH
increases or decreases either side of the
optimum pH the enzyme's activity will
decrease. Eventually when the pH becomes
too low or high for the enzyme it will denature
and lose its
just like with
temperatures. Most enzymes in our body work
best at around pH 8. However there are some
exceptions. Pepsin, found in our
has an optimum temperature of
about PH 2, which is very