Multiple choice

Glucose, galactose and fructose all have the same molecular size and composition. How does their absorption take place?

  1. At the same rate.

  2. Glucose is absorbed most rapidly.

  3. Fructose is absorbed most rapidly.

  4. Galactose is absorbed most rapidly.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Absorption rates of monosaccharides differ; galactose and glucose are absorbed via active transport (SGLT1), with galactose typically showing the fastest rate of absorption in the small intestine.

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