Monday, March 2, 2015


Enzymes: chemicals that speed up a reaction but are not consumed.  (It is a chemical catalyst that reduces the activation energy needed to start the reaction.)

Catalase: A protein enzyme that breaks down hydrogen peroxide in Eukaryokes.

Active Site: The part of the enzyme where substrates go into to let the reaction go.  (The hole in the key hole of the door).

Substrate: (The key to open the door of reaction).

Activation: Cofactors (inorganic i.e. Heme group {iron} in blood) & Coenzymes (organic, thymine/Vitamin B1--or other vitamins).

Inhibition: Competitive and Allosteric

Activation: adding something to an enzyme to make it work, or turned on by DNA regulation


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