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Standard XII
Biology
Functions of RNA
Biochemical r...
Question
Biochemical reactions are regulated by catalysts called ...........
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Solution
A substance that speeds up a chemical reaction without being a reactant is called a catalyst.
Biocatalyst which regulate every reaction in a living organism are enzymes.
Enzymes are usually proteins (more than 90%), though some ribonucleic acid (RNA) molecules act as enzymes too.
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