Which stomach compartment is the true stomach where acid and enzymes digest protein?

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Study for the ELANCO Advanced Animal Science Exam. Enhance your knowledge with flashcards and multiple choice questions, with hints and explanations for each question. Get ready for your exam!

Multiple Choice

Which stomach compartment is the true stomach where acid and enzymes digest protein?

Explanation:
In ruminants, the true stomach that digests proteins with acid and enzymes is the abomasum. This compartment secretes gastric juice—hydrochloric acid and proteolytic enzymes like pepsin—creating an acidic environment that unfolds proteins and breaks them down into smaller peptides. The rumen and reticulum are fermentation chambers where microbes break down fibrous material, the omasum mainly grinds and absorbs water and some nutrients. So, the abomasum is the part responsible for acid- and enzyme-driven protein digestion.

In ruminants, the true stomach that digests proteins with acid and enzymes is the abomasum. This compartment secretes gastric juice—hydrochloric acid and proteolytic enzymes like pepsin—creating an acidic environment that unfolds proteins and breaks them down into smaller peptides. The rumen and reticulum are fermentation chambers where microbes break down fibrous material, the omasum mainly grinds and absorbs water and some nutrients. So, the abomasum is the part responsible for acid- and enzyme-driven protein digestion.

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