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