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Biomolecules — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules1 Mark
Question
Which of the following is not a disaccharide?
✓

Answer

  1. Raffinose
Explanation:
Cane sugar contains glucose and fructose so it is a disaccharide.
Lactose contains glucose and galactose so it is a disaccharide.
Maltose contains glucose and glucose so it is a disaccharide.
Raffinose contains 1 unit of glucose, 1 unit of fructose and 1 unit of galactose so it is not a disaccharide. It is a trisaccharide.

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