Matching Pairs Enzyme -Regulation of activityOnline version Covers various forms of enzyme regulation inside cells by Dr MAHABOOB KHAN SULAIMAN 1 Feedback Inhibition 2 Allosteric enzyme 3 Protein modification 4 Zymogen 5 Longer, inactive form of an enzyme Zymogen small, covalent, reversible change of an enzyme from active to inactive form and vice versa digestive tract enzymes are secreted in this form activity is regulated by activator or inhibitors Occurs generally with the help of allosteric enzymes