enzymes in digestion

Question 1

true or false ?

the break down of food is catalysed by blood

Answer 1

false this is not true they

- catalysed by enzymes

Question 2

where are enzymes produced in the digestive system ?

Answer 2

• produced by specialised cells in glands and gut lining

Question 3

true or false ?

enzymes catalyse the break down of food molecules is true

Answer 3

true

true

Question 4

what do the salivary gland do ?

what enzymes are produced ?

Answer 4

• keeps the mouth moist and other parts of the digestive system ?
• amylase which is an enzyme is produced by the saliva

Question 5

what does the gullet do ?

Answer 5

• food passes down it from mouth to stomach

Question 6

what does the stomach do ?

Answer 6

Muscular organ where digestion continues

Question 7

what do digestive enzymes break down into ?

Answer 7

• big molecules into small ones

Question 8

give three examples of big molecules ?

Answer 8

• starch
• proteins
• fats

Question 9

give four examples of small molecules ?

Answer 9

• sugars
• amino acids
• glycerol
• fatty acids

Question 10

what can’t big molecules do in the digestive system ?

Answer 10

• go through the walls of the digestive system

Question 11

what can small molecules do in the digestive system ?

Answer 11

-pass easily through the walls of the digestive system

Question 12

what does amylase do ?

Answer 12

• convert starch into sugars

Question 13

what does protease do ?

Answer 13

• covert proteins into Amino acids

Question 14

what does lipase do ?

Answer 14

• convert lipids into glycerol and fatty acid

Question 15

what are the three main enzymes in our gut ?

Answer 15

• protease
• lipase
• carbohydrase

Question 16

what is the equation for amylase ?

Answer 16

starch amylase
———–> maltose ( other sugars e.g dextrins)
enzyme

Question 17

what equation is this ?

starch amylase
———–> maltose ( other sugars e.g dextrins)
enzyme

Answer 17

equation for amylase

Question 18

what is the equation for protease ?

Answer 18

proteins protease
————> amino acid
enzyme

Question 19

what equation is this ?

proteins protease
————> amino acid
enzyme

Answer 19

equation for proteins

Question 20

what is the equitation for lips

Answer 20

lipids lipase
———> glycerol and fatty acid
enzyme

Question 21

what equation is this ?

lipids lipase
———> glycerol and fatty acid
enzyme

Answer 21

equations for lipids

Question 22

where is amylase made ?

Answer 22

• the salivary gland
• the pancreas
• the small intestine

Question 23

where is protease made ?

Answer 23

• the stomach
• the pancreas
• the small intestine

Question 24

where is lipase made ?

Answer 24

• the pancreas

- the small intestine

Question 25

where is bile produced ?

Answer 25

• the liver

Question 26

where is bile stored and released ?

Answer 26

• stored in the gall bladder - released into the small intestine

Question 27

true or false ?

bile in acidic

Answer 27

false

bile is alkaline

Question 28

what does bile do ?

Answer 28

• it neutralises the stomach acid as its alkaline but also emulsifies fat

Question 29

what are lipids

Answer 29

• they are fats and oils

Question 30

what do enzymes in the small intestine work best at ?

Answer 30

• alkaline

Question 31

bile breaks …….. into smaller droplets

Answer 31

• glycerol