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Which type of sugar is formed by the combination of b-D-galactose and b-D-glucose in lactose?

Options

  1. ADisaccharide.
  2. BMonosaccharide.
  3. CPolysaccharide.
  4. DOligosaccharide.

Correct answer

A. Disaccharide.

Step-by-step solution

Lactose is composed of two sugar units (b-D-galactose and b-D-glucose), making it a disaccharide.

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