The inner lining of the stomach contains openings of the ducts from the glands. Those glands contain three types of cells, whose secretions together form gastric juice. Mucous cells secrete mucus. Parietal cells secrete hydrochloric acid (HCl). The third type of cells secrete pepsinogen. Both HCl and pepsin function in the chemical breakdown of proteins. Mucus in the stomach lining is a protective secretion that helps.

SOLVED: Figure 1: Activity levels of two digestive enzymes over a range of pH. Trypsin and pepsin are enzymes that function in different areas of the digestive tract. One functions in the stomach where the pH is between 1.6 and 9.6, while the other functions in the small intestines where the pH is between 6 and 8. Based on Figure 1, which of the following best describes where each enzyme functions?Pepsin works in the stomach because the optimal pH for pepsin is acidic.Trypsin works in the small

1.18: Enzyme Function

Rediscovering porcine collagen and the way to use it

a student sets up an experiment to study the role of enzymes in digestion of food in test tube a he added egg albumin and pepsin in test tube b he added egg albumin pepsin and hcl in which t 93304

Understanding The Process of Protein Digestion

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