1) What is the substrate that is digested in the mouth? a) Fats b) Maltose c) Proteins d) Starch e) Polypeptides 2) What is the optimal pH of salivary amylase? a) 2 b) 7 c) 8 3) What is the enzyme found in the stomach? a) Salivary amylase b) Pancreatic protease c) Pepsin d) Intestinal peptidase 4) What is the optimal pH of pepsin? a) 2 b) 7 c) 8 5) What is the product of digestion in the stomach? a) Amino acids b) Glucose c) Polypeptides d) Fatty acids e) Glycerol 6) What is the optimal pH of enzymes in the small intestine? a) 2 b) 7 c) 8 7) Select all enzymes present in the small intestine. a) Salivary amylase b) Pepsin c) Pancreatic protease d) Pancreatic lipase e) Intestinal maltase f) Intestinal peptidase 8) In which organ does starch digestion begin? a) Mouth b) Oesophagus c) Stomach d) Small intestine e) Large intestine 9) What is the function of bile? a) Break down fats into fatty acids and glycerol b) Combine small fat droplets into large fat droplets c) Increase the surface area to volume ratio of fat droplets d) Combine fatty acids and glycerol 10) Select all the end-products of digestion? a) Amino acids b) Peptides c) Glucose d) Maltose e) Fatty acids f) Glycerol

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