A-LevelBiologyEnzymes9700/12 · Feb/Mar 2025 · Q131 Mark

Which levels of protein structure are always involved in forming the active site of an enzyme?

Aprimary: ✓, tertiary: ✓, quaternary: ✓

Bprimary: ✓, tertiary: ✓, quaternary: X

Cprimary: X, tertiary: ✓, quaternary: X

Dprimary: X, tertiary: X, quaternary: ✓

✓ Correct answer

B: primary: ✓, tertiary: ✓, quaternary: X

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