test 13 dec 21 science

Question 1

diffusion of particles into the body

Answer 1

absorb

Question 2

enzyme found in saliva that breaks down carbohydrates

Answer 2

amylase

Question 3

product of digestion of protein

Answer 3

amino acids

Question 4

chemical that tests for glucose

Answer 4

benedicts solution

Question 5

what colour does benedicts solution change when in sugar?

Answer 5

red or orange or yellow

Question 6

where is bile made and stored? (ans, ans)

Answer 6

liver, gallbladder

Question 7

what blue liquid turns purple in protein?

Answer 7

biuret test

Question 8

which enzymes break carbohydrates down into glucose?

Answer 8

carbohydrase

Question 9

a nutrient found in bread and pasta for a balanced diet

Answer 9

carbohydrates

Question 10

process in which the shape of an enzyme is changed so that it no longer works. heat and pH changes can ________ an enzyme.

Answer 10

denature

Question 11

the process where food is converted into smaller substances which can be absorbed by the body

Answer 11

digestion

Question 12

to break a large droplet into lots of smaller ones, usually fats and oils

Answer 12

emulsify

Question 13

substance in the body that breaks food into smaller substances

Answer 13

enzyme

Question 14

product of digestion of lipids

Answer 14

fatty acids

Question 15

nutrient that the body cannot absorb and aids digestion

Answer 15

fibre

Question 16

fancy word for sugar

Answer 16

glucose

Question 17

product of the digestion of lipids

Answer 17

glycerol

Question 18

the entire length of tubing between mouth and anus

Answer 18

gut

Question 19

acid found in the stomach to kill bacteria

Answer 19

hydrochloric acid

Question 20

chemical used to test for starch which turns black in starch

Answer 20

iodine

Question 21

part of the digestive system that absorbs water

Answer 21

large intestine

Question 22

enzyme that breaks down fat

Answer 22

lipase

Question 23

part of the digestive system that removes toxins and produces bile

Answer 23

liver

Question 24

fats

Answer 24

lipids

Question 25

tiny spikes on the villi to provide a large surface area for absorbing nutrients

Answer 25

microvilli

Question 26

tube from mouth to stomach

Answer 26

oesophagus

Question 27

part of the digestive system that produces the most enzymes

Answer 27

pancreas

Question 28

a wavelike contraction to help move food down the oesophagus

Answer 28

peristalsis

Question 29

enzyme that breaks down proteins

Answer 29

protease

Question 30

nutrient needed in a balanced diet found in meat

Answer 30

protein

Question 31

fluid produced by the mouth filled with amylase to start chemical digestion

Answer 31

saliva

Question 32

part of the digestive system that absorbs broken down nutrients

Answer 32

small intestine

Question 33

type of carbohydrate

Answer 33

starch

Question 34

part of the digestive system that churns food and adds acids and protease to food

Answer 34

stomach

Question 35

tiny hairlike spikes on the walls of the small intestine to provide a larger surface area for absorbing nutrients

Answer 35

villi

Question 36

tubing that acts in a similar way to the small intestine, used in experiments modelling digestion

Answer 36

visking tubing