Competitive inhibitors (like malonate) alter

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(B) Competitive inhibitors are structurally similar to the substrate and compete with the substrate for the active site of the enzyme.Because the inhi

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Value of $K_m$ (Michaelis constant)

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(B) Competitive inhibitors are structurally similar to the substrate and compete with the substrate for the active site of the enzyme.Because the inhibitor occupies the active site,the affinity of the enzyme for the substrate decreases.This results in an increase in the $K_m$ (Michaelis constant) value,which represents the substrate concentration at which the reaction velocity is half of the maximum velocity $(V_{max})$.However,the $V_{max}$ remains unchanged because high concentrations of substrate can overcome the inhibition.

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