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🔬 Biology  ·  Digestion and Absorption  ·  NEET

Proteins are digested in stages; the correct sequence of intermediate products before amino acids is:

Answer: Proteoses then peptones then dipeptides.

  • A Proteoses then peptones then dipeptides
  • B Peptides then peptones then proteoses
  • C Dipeptides then peptones then proteoses
  • D Peptones then dipeptides then proteoses

Correct answer: A. Proteoses then peptones then dipeptides

Explanation: Pepsin and trypsin convert proteins into proteoses and peptones, which are further broken to dipeptides and finally to amino acids by peptidases.

Labeled diagram of the human digestive system showing mouth, esophagus, stomach, liver, pancreas, small intestine, and large intestine

The human digestive system. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.

Concept context

The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.

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