<prompt> The following affect enzyme activity except:MethylationAcetylationInductionPhosphorylation  <response>: Ans. C. InductionInduction is method of regulation of enzyme quantity.Regulation of enzymesCan be classified as:Regulation of enzyme quality intrinsic catalytic efficiencyAllosteric regulationCovalent modificationCovalent modificationPhosphorylationdephosphorylation most common covalent modificationMethylationAdenylationADP ribosylationAcetylationRegulation of enzyme quantity1. Control of enzyme synthesis2. By induction and repression3. Control of enzyme degradation4. Enzymes are degraded by Ubiquitin-Proteasome pathway. 