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Protein Digestion Process Quiz

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Questions and Answers

What is the primary function of saliva in the mouth during digestion?

To neutralize the acidic environment of the stomach

To provide lubrication for swallowing

To break down proteins into smaller molecules

To help convert food into an aqueous slurry (correct)

What maintains the low pH in the stomach?

Digestive enzymes

Bicarbonate ions

ATP-dependent proton pump (correct)

Saliva production

What happens to proteins in the stomach due to the low pH environment?

Proteins are converted into lipids

Proteins are neutralized by the acidic environment

Proteins are broken down into amino acids

Proteins are denatured by the low pH (correct)

Why is it important for food to be homogenized in the mouth?

To make the food more readily attacked by digestive enzymes Signup and view all the answers

What is the initial step of protein degradation in the stomach?

Action of pepsin Signup and view all the answers

What stimulates the pancreas to release digestive enzymes into the intestine?

Protein digestion in the stomach Signup and view all the answers

What is the role of the gall bladder in digestion?

Release of bile salts for lipid digestion Signup and view all the answers

What neutralizes the pH of the food as it leaves the stomach?

Large amounts of sodium bicarbonate (NaHCO3) released by the pancreas Signup and view all the answers