Khan Academy Static

Enzymes may control chemical reactions, but what controls enzymes? As it turns out, enzymes can be turned “on” or “off” by a wide range of molecules, some found normally in cells and others added from the outside. Learn about different types of enzyme regulators, which include nerve gas, HIV drugs, and the end products of metabolic pathways.

9599_Competitive_inhibition.html

9598_Enzyme_cofactors_and_coenzymes.html

9600_Noncompetitive_inhibition.html