Tools Add-ons Help All changes saved in Drive Arial 12 I34 6. of cholesterol -Br

Question

Tools Add-ons Help All changes saved in Drive Arial 12 I34 6. of cholesterol -Brown rice: 5 grams of protein, 45 grams of carbs, 1.8 grams of fat, o cholesterol, 3.5 grams of fiber, 7 grams of sugar A. Where is protein first digested chemically? By what enzyme? B. What happens to proteins exposed to hydrochloric acid in the stomach? C. Does the pancreas release any enzymes that chemically digest protein? If yes name it (them). D. Proteins must be broken down into their subunits before they can be absorbed. What are these subunits called? tnot e tbe distiyg tret are tbese protein subunits absorbed into the

Explanation / Answer

A. Protein digestion starts in STOMACH.

B. HCl lead to activation of Pepsin from pepsinogen. HCl also help in denaturation of complex protein structure and thus makes action of pepsin easier.

C. Pancreatic enzymes that help in protein digestion (released as inactive enzyme and are activated in duodenum) -

D. Amino acids - protein are polymer of amino acids. Amino acid are structural unit of protein and it is absorbed in this form.

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