14Enzymes Enzyme KineticsMedium1 markWhich statement about enzymes is correct?AIntracellular enzymes react with substrates to form enzyme–substrate complexes inside cells.BIntracellular enzymes are globular proteins that are secreted to catalyse reactions outside cells.CExtracellular enzymes are fibrous proteins that catalyse reactions outside prokaryotic and eukaryotic cells.DExtracellular enzymes lower the activation energy of reactions that take place inside cells.Grade answerSolutionGrading criteria