Multiple choice

A disaccharide present in the milk of mammals is known as

  1. fructose

  2. galactose

  3. glucose

  4. lactose

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lactose is the disaccharide sugar found in milk, composed of glucose and galactose. Fructose is fruit sugar, galactose is a component of lactose (not free in milk), and glucose is a monosaccharide. Mammalian milk is characterized by its lactose content.

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