Lipids (Fats And Oils) Flashcards
0
Q
What is a lipid made up of
A
One glycerol molecule and 3 fatty acid molecules
1
Q
What are the three types of lipids?
A
- Triglycerides
- Steroids
- Fat-soluble vitamins
2
Q
How is each fatty acid joined to the glycerol molecule
A
By an eater bond
3
Q
What is a lipase
A
The enzyme involved in reactions to form and break down lipids
4
Q
What does three ester bonds make
A
Three water molecules and vice versa
5
Q
List five biological importance a of lipids
A
- Reserve energy source that produces more energy than carbohydrates
- Insulation
- Plasma membranes mainly composed of phospholipids
- Fats can be emulsified
- Insoluble making them useful storage form
6
Q
What two groups can lipids be divided into
A
Saturated and unsaturated fats
7
Q
Are saturated fats good or bad for you? Why?
A
Bad for you. They increase the level of cholesterol in the bloodstream.
8
Q
Are unsaturated good or bad for you? Why?
A
Good, they lower level of cholesterol in bloodstream.