2. Digestive enzymes

Where does starch digestion begin?

• Mouth

• Stomach

• Pancreas

• Liver

Which group of enzymes breaks down fats into fatty acids and glycerol?

• Amylase

• Carbohydrase

• Lipase

• Protease

What are the products from the breakdown of protein?

• Amino acids

• Fatty acids

• Glucose

• Glycerol

Which food group is being broken down in graph A?

• Carbohydrate

• Lipid

• Protein

• Starch

What is the role of bile in the digestion of lipids?

• Increases the lipid surface area and decreases the pH for optimal lipase action

• Decreases the lipid surface area and decreases the pH for optimal lipase action

• Increases the lipid surface area and increases the pH for optimal lipase action

• Decreases the lipid surface area and decreases the pH for optimal lipase action

Where in the digestive system does lipid digestion begin?

• Mouth

• Stomach

• Liver

• Small intestine

When lipase is added to full-fat milk in a test tube, what happens to the pH of the solution?

• Increases due the presence of amino acids

• Decreases due to the presence of amino acids

• Increases due the presence of fatty acids

• Decreases due to the presence of fatty acids

Which organ secretes digestive enzymes into the small intestine?

• Gall bladder

• Liver

• Pancreas

• Stomach

What is the term given to the contraction and relaxation of intestinal wall muscles, which forces the food through the digestive system?

• Emulsification

• Digestion

• Peristalsis

• Egestion

Lipids (fats and oils) are broken down into fatty acids and .....................

• Glucose

• Glycerol

• Glycine

• Gloop

Tags

NGSS.MS-LS1-7