Enzymology 1.1

Enzymes are biological catalyst.

All enzymes are protein.

All proteins are enzymes.

Regulation of enzymatic activities allows metabolism to adapt to rapidly changing conditions.

Active site is part of an enzyme where substrates bind and undergo chemical reaction.

Usually one enzyme acts only on one substrate.

Lock and key model able to explain well all the enzyme catabolic and anabolic activities.

Holoenzyme refers to the inactive form of enzyme.

Coenzyme defined as helper molecule that play an important role in enzyme-catalyzed reaction.

Zymogen or proenzyme is an active form of enzyme.