Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having ________.

Question

Quizplus · Accepted Answer

Stomach cells secrete a thick, mucous secretion that protects the stomach lining from the strong acidity of gastric juice. The epithelial cells also undergo active mitosis to replace damaged or lost cells.

Answer: C
 The chief cells of the stomach secrete pepsinogen, which is activated to pepsin when exposed to the low pH of gastric juice. Pepsin is responsible for breaking down proteins in the stomach.

Stomach Cells Are Moderately Well Adapted to the Acidity and Protein-Digesting