Biochemistry Part 7: Organic Compounds Part 2: Lipids

Question 1

What are the components that make up the lipids?

Answer 1

Generally 1 glycerol and 3 fatty acids.

Question 2

What is a fatty acid?

Answer 2

A fatty acid is a hydrocarbon chain with carboxyl group on one end.

Question 3

What are two types of fatty acids?

Answer 3

Saturated and Unsaturated.

Question 4

Where do saturated fats come from?

Answer 4

Generally, with a few exceptions, come from animals.

Question 5

What is the form of saturated fats at room temperature?

Answer 5

It is solid.

Question 6

What type of bonds ( single, double, or triple) do saturated fats have?

Answer 6

Single bonds only.

Question 7

What is an example of saturated fats?

Answer 7

Butter.

Question 8

Where do unsaturated fats come from?

Answer 8

Plants.

Question 9

What is the form of unsaturated fats at room temperature?

Answer 9

Liquid.

Question 10

What type of bonds ( single, double, or triple) do unsaturated fats have?

Answer 10

At least one double bond between carbon and a hydrocarbon chain, which results in less hydrogen bonds.

Question 11

What are 3 Lipid functions?

Answer 11

Energy storage: 1 gram of any lipid would release 9 calories of heat when burnt.
Structural: Phospholipids play important roles in the cell membrane.
Endocrine: Some lipids are hormones.