Question

Pepsinogen is an:A) inactive precursor to the enzyme pepsin that digests proteins in the stomach. B) active enzyme that is released in the small intestine and digests carbohydrates. C) active enzyme that digests proteins within the small intestine. D) inactive precursor to a nonspecific enzyme that is synthesized in the pancreas and released in the small intestine.

Answer 1

The correct answer to the question posed would be: A) inactive precursor to the enzyme pepsin that digests proteins in the stomach.

Step-by-step explanation:

Pepsinogen is an inactive precursor to pepsin, an enzyme critical for protein digestion in the stomach, activated by the stomach's acidic environment.

Pepsinogen is an inactive precursor to the enzyme pepsin that plays a crucial role in protein digestion. This zymogen is secreted by the chief cells in the stomach and is activated to form pepsin by the acidic environment produced by the parietal cells that secrete hydrochloric acid.

The active enzyme pepsin then helps to digest proteins by breaking them down into smaller polypeptides and peptides, which further digestion in the small intestine will reduce to amino acids for absorption.

Answer 2

A. INACTIVE PRECURSOR OF THE ENZYME PEPSIN THAT DIGESTS PROTEINS IN THE STOMACH.

Step-by-step explanation:

Pepsinogen is the inactive precursor of pepsin produced by the chief cells of the stomach lining. The stomach walls are lined by majorly two types of cells; the chief and the parietal cells. Chief cells secretes pepisinogen and parietal cells secrete hydrochloric acid in the stomach lining. The chief cells upon the signals of increased protein substance in the stomach produces pepsinogen which upon it release, it is activated to the active enzyme Pepsin by the hydrochloric acid from the parietal cell. Hydrochloric acid provides the acidic environment needed for the action of pepsin in the stomach. The pepsin begins the digestion of proteins into small amino acids in the stomach,