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About Biochemistry (Macromolecules, Enzymes)

Enzymes speed up chemical reactions by lowering activation energy, making biological processes faster and more efficient.

Related Topics

Atomic StructurePeriodic Table & Periodic TrendsChemical Bonds (Ionic, Covalent, Metallic)Chemical Reactions & Balancing EquationsStoichiometry & Mole Concept
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Biochemistry (Macromolecules, Enzymes) HESI A2 Practice Questions

Free Biochemistry (Macromolecules, Enzymes) practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

What is the main function of enzymes in biological systems?
They provide energy to cells
They speed up chemical reactions.
They change the pH of the cell.
They act as structural components of the cell.

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