Moderate

Which of the following is a non-reducing sugar____________?

Correct answer: D. Sucrose

  • A. Glucose
  • B. Maltose
  • C. Lactose
  • D. Sucrose

Explanation

Sucrose is non-reducing because both anomeric carbons are involved in its glycosidic bond, leaving no free hemiacetal group. Glucose, maltose and lactose retain a free anomeric carbon and are reducing sugars.

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