Contents
Introduction.
Why Enzymes Are Needed .
Mechanism of Enzyme Action.
Enzymes Properties.
Nomenclature & Classification.
Factors affecting Enzymes.
Enzyme Regulation.
Enzyme Inhibition.
Enzymes: Definition
Enzymes are organic catalysts that speed up
the rate of a chemical reaction without being
permanently altered in the process.
• The first enzyme was isolated in 1833 by
Payen and Persoz from barley seeds. Called
diatase, it converts starch to sugars.
• Buchner: en-zyme, German languge:
“something in yeast”
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