B3.6 how the digestive system works

Question 1

where do the digestive enzymes work?

Answer 1

outside the body cells

Question 2

what do the digestive enzymes do?

Answer 2

they break down large insoluble food molecules into smaller soluble ones, which can then be absorbed into the blood

Question 3

where is amylase produced? (3)

Answer 3

salivary glands
pancreas
small intestine

Question 4

what is the substrate of amylase?

Answer 4

starch

Question 5

what is the product of amylase?

Answer 5

glucose

Question 6

where does the reaction using amylase take place?

Answer 6

mouth
small intestine

Question 7

describe how amylase does its thing

Answer 7

the salivary glands/pancreas/small intestine produces amylase, which breaks down starch into glucose in the mouth/ small intestine

Question 8

where is protease produced?

Answer 8

stomach
pancreas
small intestine

Question 9

what is protease substrate?

Answer 9

protein

Question 10

what is protease product?

Answer 10

amino acids

Question 11

where does the reaction using protease take place?

Answer 11

small intestine
stomach

Question 12

describe how protease does its thing

Answer 12

the stomach/small intestine/pancreas produces protease which breaks down protein into amino acids in the stomach/small intestine

Question 13

where is lipase produced

Answer 13

pancreas/small intestine

Question 14

what is lipase substrate

Answer 14

lipids (fats and oils)

Question 15

what are lipase products

Answer 15

fatty acids
glycerol

Question 16

where does the reaction using lipase take place

Answer 16

small intestine

Question 17

describe how lipase does its thing

Answer 17

the pancreas/small intestine produces lipase which breaks down lipids into fatty acids and glycerol in the small intestine