Lipids and Fats

Question 1

Solids they are

Answer 1

fats

Question 2

Liquids they are

Answer 2

oils

Question 3

Where are most oils from

Answer 3

Plants

Question 4

Where are most fats from

Answer 4

animals

Question 5

Which elements do lipids contain

Answer 5

Carbon Hydrogen Oxygen

Question 6

Tristearin from beef and lamb is

Answer 6

C51 H98 O6

Question 7

What is the composition

Answer 7

One glycerol and 3 fatty acid molecules

Question 8

Do fats and oils dissolve in water

Answer 8

NO

Question 9

What is the difference between Saturated and Unsaturated fats

Answer 9

Saturated:
From animals
Solid at room temp.
No double bonds
Unsaturated:
Mostly from plants
Liquid at room temp
Has double bonds

Question 10

What do humans need cholesterol for

Answer 10

very important in cell membranes and skin. Our liver make it

Question 11

3 main uses of fats in animals

Answer 11

Stores of energy
Release energy 39 KJ energy per gram (2x carbs
Insulate the body

Question 12

Name foods that are rich in lipids

Answer 12

Butter, Lard, milk, oils, fatty meat, eggs, cheese