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Question: Answered & Verified by Expert
Maltose is made of the units
ChemistryBiomoleculesAIIMSAIIMS 2014
Options:
  • A $\alpha-D$ glucose and $\beta-D$ glucose
  • B $\alpha-D$ glucose and $\beta-D$ fructose
  • C $\alpha-D$ glucose and $\alpha-D$ glucose
  • D $\alpha-D$ glucose and $\beta-D$ galactose.
Solution:
1835 Upvotes Verified Answer
The correct answer is: $\alpha-D$ glucose and $\alpha-D$ glucose
The disaccharide maltose (malt sugar) is formed by the condensation of two molecules of $\alpha$-D-glycopyranose in which $C_1$ of one glucose unit is connected to $C_4$ of the other glucose unit.

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