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Digestion & Absorption

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Questions and Answers

What is the process of changing foodstuffs into smaller particles for absorption?

Fermentation

Absorption

Hydrolysis

Digestion (correct)

What type of enzymes act on proteins to break them down into amino acids?

Proteases (correct)

Lipases

Amylolytic enzymes

Nucleases

Where is ptyalin produced?

Small intestine

Salivary glands (correct)

Pancreas

Stomach

What is the function of ribonuclease and deoxyribonuclease?

Breaking down nucleic acids Signup and view all the answers

What is the product of ptyalin and pancreatic amylase action on starch?

Maltose Signup and view all the answers

What is the product of the reaction catalyzed by lactase?

Glucose and galactose Signup and view all the answers

Which enzyme acts on proteins in the stomach?

Pepsin Signup and view all the answers

How are glucose and galactose transported across the intestinal epithelial cells?

By facilitated diffusion requiring a high concentration of external Na ion Signup and view all the answers

What is the role of bile in the small intestine?

To emulsify fats Signup and view all the answers

What is the fate of fatty acids in intestinal absorption?

They are converted to triglycerides and transported as chylomicrons Signup and view all the answers