Macronutrients - Lipids Flashcards
What are lipids?
A concentrated source of energy for the body.
What do lipids help in?
They help in the absorption of vitamins.
What are lipids main components of?
All cell membranes.
What is another function of lipids?
Insulation
What do lipids include?
Certain hormones (sex)
What else do lipids include?
Fats and oils.
What is one type of lipid made up of?
Three fatty acids joined to a glycerol molecule.
What is the type of a lipid where three fatty acids are joined to a glycerol molecule called?
A triglyceride
What are two types of triglycerides?
Saturated and unsaturated.
What are characteristics and examples of saturated lipids? Are they good or bad?
- They are usually solid at room temperature.
- Examples include meat and butter.
- They are bad.
What are characteristics and examples of unsaturated lipids? Are they good or bad?
- They are usually liquid at room temperature
- Examples include oils.
- They are good.
What does the structure of a triglyceride look like?
3 CHO molecules with each O molecule attached to a carbon hydrogen chain made up of Carbon and oxygen molecules.
What are essential fatty acids not produced by? Are they necessary?
- They are not produced by the body.
- They are necessary.
What is an example of an essential fatty acid?
Omega-3 fatty acids.
Where are essential fatty acids found?
In unsaturated lipids.
