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It is also referred to as tyrosinase

• Hydrolases

• Glucose Oxidase

• PPO

• Oxidases

Example of transferase

• Fumarase

• Lactate dehydrogenase(LDH)

• Lysozyme

• hexokinase

Discovered hydrogen peroxide

• Louis Jacque Thenard

• Louis Monod

• James Sumner

• Oscar Loew

Removes D-glucose from egg white to prevent browning

• Glucose oxidase

• Catalase

• Polyphenol oxidase(PPO)

• L-ascorbate oxidase

An enzyme works by:

• Binding to the substrate at any location along the surface of they enzyme

• Permanently binding to the substrate in order to catalyze the reaction

• Interacting with the substrate at a key portion of the enzyme called the active site

It causes rapid polymerization of Quionnes to produce black, brown and red pigment.

• Catalase

• L-ascorbate

• Glucose Oxidase

• Polyphenol oxidase

Different enzymes work best in different pHs.

• True

• False

Which of the following statements is FALSE?

• All catalysts are enzymes.

• All enzymes are composed of proteins

• A particular enzyme can catalyse only one reaction

It catalyzes the breakage of bond without catalysis

• Lyases

• Transferases

• Isomerases

• Oxidoreductases

This carbonic anhydrase needs _______ co factor for proper activity

• Mg++

• Zn++

• Pyridoxal phosphate

• None of the above