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Which of these is a source of lactose?

Which of these is a source of lactose?
A) potatoes
B) milk
C) sugar cane
D)sugar beets
E) starch




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1 Answer

  1. The best answer among the options provided is B) milk.

    Explanation:

    • Lactose is a disaccharide sugar composed of glucose and galactose units, commonly referred to as “milk sugar.”
    • It is naturally found in milk and dairy products.
    • Potatoes (A) are a source of starch.
    • Sugar cane (C) and sugar beets (D) are sources of sucrose, another type of sugar.
    • Starch (E) is a polysaccharide carbohydrate, not a sugar.

    Therefore, milk is the correct source of lactose among the options given.

    Answer: B) milk