digestive enzymes and processes

Question 1

what is peristalsis

Answer 1

movement of food through the gut due to muscle contractions

Question 2

carbohydrase: amylase: source of enzyme, site of action, substrate, product

Answer 2

source of enzyme - salivary gland, pancreas
site of action - mouth, small intestine
substrate - starch
product - maltose

Question 3

carbohydrase: maltase: source of enzyme, site of action, substrate, product

Answer 3

source of enzyme - small intestine
site of action - small intestine
substrate - maltose
products - glucose

Question 4

protease: pepsin: source of enzyme, site of action, substrate, products

Answer 4

source of enzyme - stomach
site of action - stomach
substrate - proteins
products - peptides

Question 5

protease: trypsin: source of enzyme, site of action, substrate, products

Answer 5

source of enzyme - pancreas
site of action - small intestine
substrate - proteins
products - peptides

Question 6

protease: peptidase: source of enzyme, site of action, substrate, product

Answer 6

source of enzyme - small intestine
site of action - small intestine
substrate - peptides
product - amino acids

Question 7

lipase: lipase: source of enzyme, site of action, substrate, product

Answer 7

source of enzyme - pancreas
site of action - small intestine
substrate - lipids
product - fatty acids, glycogen

Question 8

function of bile

Answer 8

• emulsification of fat
• neutralise the acidic substances from stomach for the enzymes in small intestine
• produced in liver
• stored in gall bladder