Lauren Wells Ap Biology Enzyme- Substrate Model 1. In this activity, what was the enzyme represented by? The substrate? The coenzyme? The Inhibitor? a. The enzyme was represented by our fingers. The substrate was the pennies and the coenzyme was ones partner’s fingers. The inhibitor was the tennis ball. 2. In Trial I, why sis the rate eventually decrease? What could have been added to maintain the initial rate? a. The rate eventually decreased because the amount substrate decreased, therefore making it harder to pick up in at a quick rate. Adding more substrate would maintain the initial rate. 3. If more substrate (pennies) were present in Trial I at the beginning, would the initial rate have been higher? Why or why not? a. The initial rate would not have been higher because the rate of the enzyme would not change. The enzyme would still hit the substrates at the same rate. If the initial rate was lower than the number of enzymes, then the rate would be higher because the enzymes would have more of a chance of hitting a substrate. 4.
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