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Digestion Process and Enzymes Quiz

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Questions and Answers

What is the purpose of zymogens or proenzymes in the digestive system?

To activate other enzymes

To enhance the absorption of amino acids

To prevent the degradation of proteins

To be secreted in an inactive form and then activated when needed (correct)

In which part of the digestive system does protein digestion begin?

Stomach (correct)

Small intestine

Esophagus

Mouth

What is the role of pancreatic lipases in lipid digestion?

Convert lipids into an emulsion

Emulsify lipids

Enhance the absorption of lipids

Break down triacylglycerols into fatty acids (correct)

Which enzyme is responsible for breaking down sucrose into glucose and fructose?

Sucrase Signup and view all the answers

What happens to α-amylase in the stomach during digestion?

It is denatured and its digestion activity decreases Signup and view all the answers

What is the role of peptidases inside intestinal cells during protein digestion?

Further breakdown tripeptides and dipeptides into amino acids Signup and view all the answers

What is the function of bile salts in lipid digestion?

Emulsify lipids to increase surface area for digestion Signup and view all the answers

Which enzymes are responsible for breaking down oligopeptides into tripeptides, dipeptides, or amino acids during protein digestion?

Peptidases and pancreatic proteases Signup and view all the answers

What is the significance of proteolytic cleavage in the activation of hydrolases?

To activate hydrolases from their inactive zymogen form Signup and view all the answers

What is the main function of α-amylase in carbohydrate digestion?

To cleave glycosidic bonds in polysaccharides Signup and view all the answers