Absorption mechanisms · Physiology

Which form of protein digestion product is absorbed most efficiently?

  1. Individual free amino acids
  2. Dipeptides and tripeptides
  3. Large intact polypeptides
  4. Whole undigested proteins
Show answer and explanation

Correct answer: Dipeptides and tripeptides

Dipeptides and tripeptides are absorbed efficiently via peptide transporters. They are then broken down into amino acids inside enterocytes.

Difficulty: Medium Question 4 of 40

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