N Neel S New member Mar 22, 2009 #1 because enzymes can be used over and over again and because they don't break down unless there is a change in pH or temperature.
because enzymes can be used over and over again and because they don't break down unless there is a change in pH or temperature.
Y Yaakov Y Guest Mar 22, 2009 #2 why are small amounts of enzymes sufficient to catalyze a large number of chemical reaction
