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Unformatted text preview: present, the more substrate there is for the enzyme to act upon. Which means the rate at which the substrate is acted upon is dependent on the rate at which the substrates molecules collide with enzymes, which is dependent of the substrate concentration. Extremely high or low pH values normally result in complete loss of activity for most enzymes. Extreme of pH can denature an enzyme so that it can no longer function. They like to be at the optimum, where the enzyme is the most active. pH is also a factor in the stability of enzymes. Like enzyme activity, for each enzyme there is also a region of pH optimal stability. The optimum pH value varies greatly from one enzyme to another....
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- Fall '07