A-LevelBiologyEnzymes9700/12 · May/June 2011 · Q131 Mark

Which of the following statements are true of all enzymes? 1 soluble in water 2 catalyse the breakdown of large molecules into smaller molecules 3 only have one active site 4 have a quaternary structure

A1, 2 and 3 only

B2, 3 and 4 only

C1 only

D4 only

✓ Correct answer

C: 1 only

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