Practice question
Arrange the sequence of reactions during enzymatic browning catalyzed by polyphenol oxidase: 1. Oxidation of o-diphenols to o-quinones 2. Polymerization to form melanins 3. Hydroxylation of monophenols to o-diphenols 4. Non-enzymatic condensation reactions
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 → 3 → 2 → 4
- 23 → 4 → 1 → 2
- 33 → 1 → 4 → 2✓
- 41 → 2 → 3 → 4
Correct answer
3 → 1 → 4 → 2
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