The statement "they work on a single set of substrate " is true about all the enzymes.Thus, option D is correct.
Enzymes are defined as biological catalyst that helps to speed up the rate of reaction. Enzymes are basically proteins and accelerates chemical reaction.
There are six types of enzymes present and categorised according to the type of reaction catalyzed:
The main biological function of enzyme is to speed up the reaction.
Therefore,the statement "they work on a single set of substrate " is true about all the enzymes.Thus, option D is correct.
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