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← ScienceWhich rate change happens when immobilizing enzyme catalysts?
A)Changes lowering enzyme activity
B)Shift to diffusion controlled kinetics✓
C)Reduced sensitivity to pH change
D)Decreased catalyst thermal stability
💡 Explanation
Immobilization can hinder substrate access to enzyme active sites, therefore the reaction becomes diffusion controlled, rather than dependent solely on the inherent catalytic rate, because reactant transport limits the overall speed.
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