1, high efficiency: the catalytic efficiency of enzyme is higher than that of inorganic catalyst, which makes the reaction faster;

2. Specificity: An enzyme can only catalyze one or one substrate, for example, protease can only catalyze the hydrolysis of protein into polypeptide;

3. Diversity: There are many kinds of enzymes, about 4,000 kinds;

4. Mildness: It means that the chemical reaction catalyzed by enzyme is generally carried out under mild conditions. 5. Activity adjustability: including inhibitor and activator regulation, feedback inhibition regulation, valence modification regulation and allosteric regulation.

6. The catalysis of some enzymes is related to cofactors.

7. Variability, because most enzymes are protein, which will be destroyed by high temperature, strong acid and strong alkali.

Immobilized enzyme technology has broad prospects. It is a technology that water-soluble enzymes are treated by physical or chemical methods to make them insoluble in water or immobilized on solid carriers but still have enzyme activity.

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