Question

What are the end products of digestion of fats,proteins and carbohydrates ? What is the difference between absorption of fats and proteins.

Answer 1

The end products of digestion of fat, protein and carbohydrates are

Fat – Fatty acid and glycerol

Protein – Amino acid

Carbohydrate - Glucose

Absorption of Protein: The lining of our small intestine contains several small folds called villi which provide surface for the absorption of amino acid – the simplest form of protein. When the digested food matter passes through the small intestine, the amino acid gets absorbed by the villi. The amino acids are then transported to the blood capillaries from villi and gradually enter the blood stream.

Absorption of Fat: After digestion of fat, the fatty acids and glycerol are absorbed by the epithelial cells of small intestine by the process of passive diffusion.