Animal Structure and Function -
Multiple Choice - SBI3U EXAM
REVIEW UNIT 4 Question and answers
rated A+ 2025
Nutrients are also known as - Macromolecules
What is an important feature of lipids? They are - insoluble in water
Lipids act as energy molecules or as a - fluid medium for cell nutrients
Proteins that we make in our cells are used to - build and repair cell
membrane
build and repair muscles
provide immunity against disease
speed up chemical reactions in cells
The nutrients in food are broken down by - hydrolysis
What do enzymes do? - increase the rate of chemical reactions
hat do enzymes break lipids into? - glycerol and fatty acids
What do enzymes break carbohydrates into? - monosaccharides
Which vitamin is needed for forming bones? - Vitamin A
, Which step describes eating? - Ingestion
Which step describes the removal of undigested food? - Elimination
Digestion of nutrients starts in the - Mouth
What is the role of pepsin? - to break proteins into small polypeptides
How is fibre important to the elimination of food waste? - Fibre helps prevent
constipation.
Gallstones are the result of - bile salts in the gallbladder
What do cells in the body need oxygen for? - cellular respiration
Inspiration and exhalation ensure that - air is exchanged with the outside
inspiration - moves air into the body
expiration - moves air out of the lungs
Ventilation is the process of - moving oxygen over a respiratory surface
Capillaries - act as the site of oxygen diffusion
lie near the respiratory surface of lungs
Multiple Choice - SBI3U EXAM
REVIEW UNIT 4 Question and answers
rated A+ 2025
Nutrients are also known as - Macromolecules
What is an important feature of lipids? They are - insoluble in water
Lipids act as energy molecules or as a - fluid medium for cell nutrients
Proteins that we make in our cells are used to - build and repair cell
membrane
build and repair muscles
provide immunity against disease
speed up chemical reactions in cells
The nutrients in food are broken down by - hydrolysis
What do enzymes do? - increase the rate of chemical reactions
hat do enzymes break lipids into? - glycerol and fatty acids
What do enzymes break carbohydrates into? - monosaccharides
Which vitamin is needed for forming bones? - Vitamin A
, Which step describes eating? - Ingestion
Which step describes the removal of undigested food? - Elimination
Digestion of nutrients starts in the - Mouth
What is the role of pepsin? - to break proteins into small polypeptides
How is fibre important to the elimination of food waste? - Fibre helps prevent
constipation.
Gallstones are the result of - bile salts in the gallbladder
What do cells in the body need oxygen for? - cellular respiration
Inspiration and exhalation ensure that - air is exchanged with the outside
inspiration - moves air into the body
expiration - moves air out of the lungs
Ventilation is the process of - moving oxygen over a respiratory surface
Capillaries - act as the site of oxygen diffusion
lie near the respiratory surface of lungs
