Which of the following statement(s) regarding enzymes, is/are false?
Options
A. Enzymes are always proteins that function as catalysts
B. Enzymes provide activation energy for reactions
C. Enzyme activity can be regulated
D. Enzymes may be used many times for a specific reaction
Correct Answer
Enzymes provide activation energy for reactions
Enzymes and Kinetics problems
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1. The equation for the rate of product formation for simple enzyme reaction is given by (Where rmax, maximum reaction rate, Cs substrate concentration, Cp product concentration ES, CES enzyme-substrate concentration)
7. An enzyme has a Km of 4.7 x 10-5M. If the Vmax of the preparation is 22m moles liter-1 min-1, what velocity would be observed in the presence of 2.0 x 10-4M substrate and 5.0 x 10-5M of a competitive inhibitor?