What type of macromolecule carries out catalysis in biological systems

1.	What type of macromolecule carries out catalysis in biological systems?
A.	proteins called enzymes
B.	carbohydrates called starches
C.	lipids called steroids
D.	nucleic acids called DNA
Answer» B. carbohydrates called starches

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What type of macromolecule carries out catalysis in biological systems?

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