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Proteins are primarily hydrolyzed by enzymes known as proteases or peptidases. These enzymes break down proteins into smaller peptides and amino acids by cleaving the peptide bonds between amino acids. Common examples include pepsin, which acts in the stomach, and trypsin, which functions in the small intestine. Each protease has specific substrates and operates optimally at different pH levels, contributing to protein digestion at various stages in the digestive tract.

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1mo ago

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Do animals produce enzymes that hydrolyze cellulose?

No. Animals do not produce enzymes that hydrolyze cellulose. (From Master Bio - Chapter 41).


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Carbohydrates are digested (hydrolyzed) by the enzyme amylase, found in saliva. However, saliva does not contain any protein-hydrolyzing enzymes. Enzymes are specific, meaning they will only hydrolyze the substrates (reactants) they were made to hydrolyze, so amylase will not hydrolyze proteins.


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Lipases are digestive enzymes that hydrolyze molecules of fat into fatty acid and glycerol molecules in the small intestine. They help break down dietary fats for absorption and utilization in the body.


Why can your bodies hydrolyze glycogen and not cellulose?

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