Which of the following is incorrect regarding the given digestion and absorption of protein?

Options

A. The breakdwon of proteins to peptides is catalyzed by pepsin in the stomach and by the pancreatic enzymes trypsin and chymotrypsin in the small intestine.
B. Peptides are broken down into amono acids by pancreatic carboxypeptidase and intestinal aminopeptidase.
C. Small peptides consisting of two or three amono acids can diffuse through epithelial cell and broken down into carbon dioxide and ammonia which are released into the blood.
D. none of these

Answer

C

Explanation

When small peptides consisting of two or three amino acids i.e., dipeptides or tripeptides enter inside the cytosol of enterocyte they are broken down into further single amino acids by varius peptidases inside cell. These single amino acids, then pass on through the other side of the enterocyte and then into the blood.