Enzymes Flashcards
What speeds up a reaction?
Catalyst
Nonprotein enzyme helpers?
Cofactor
Organic cofactor?
Coenzyme
Protein component of enzyme?
Apoenzyme
The reactant at the beginning of enzyme process?
Substrate
When the substrate and enzyme are bound
Enzyme-Substrate Complex
Where enzyme and substrate bind
Active Site
Initial energy needed to start a chemical reaction
Activation Energy EA
How do enzymes catalyze a reaction?
By lowering the activation energy barrier
What happens when an enzyme gets too warm?
Denaturation
Inhibitors: It binds to the active site
Competitive
Inhibitors: It binds to another part of enzyme, causing it to change shape
Non-Competitive
It may inhibit or stimulate an enzyme’s activity when a regulatory molecule binds to a protein at one site and affects the protein’s function at another site
Allosteric Regulation