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1.
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All enzymes are made up of proteins.
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Catalysts are small inorganic molecules.
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2.
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They have complex three dimensional structure.
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They have a simple structure.
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3.
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Enzymes are highly specific in their action.
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They catalyze diverse reactions.
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4.
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They can be regulated by specific molecules which can change conformation and therefore activity.
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They are not regulated by any regulator molecules.
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5.
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They are more sensitive to changes in pH and temperature.
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They are less sensitive to changes in pH and temperature.
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