module 2 - 3.5 lipids Flashcards
1
Q
what are lipids?
A
diverse group of compounds soluble in water, insoluble in organic solvents e.g. ethanol
2
Q
what are the most common type of lipid?
A
triglycerides (true/ neutral fats)
3
Q
what do lipids contain?
A
carbon, hydrogen and oxygen
(higher proportion of hydrogen and lower proportion of oxygen)
4
Q
how are triglycerides formed?
A
condensation
5
Q
what is a saturated bond?
A
no double bonds between carbon atoms
6
Q
what is a mono-saturated bond?
A
one double bond between carbon atoms
7
Q
what is a polysaturated bond?
A
more than one double bond between carbon atoms
8
Q
what is the role of lipids?
A
an energy source
9
Q
where are lipids stored?
A
adipose tissue
10
Q
what are the roles of adipose tissue?
A
- heat insulation
- protection
