lipids Flashcards
1
Q
what are the types of lipids and how are they different from the other biomolecules?
A
fats, phospholipids, steroids
they don’t not have true polymers and are hydrophobic
2
Q
what are fats composed of?
A
3 fatty acids to a glycerol via ester linkage
3
Q
unsaturated fat
A
has one or more double bonds
liquid at room temp
4
Q
saturated
A
no double bonds (saturated with hydrogen)
solid at room temp
5
Q
how are phospholipids assembled?
A
2 fatty acids attached to a glycerol and a phosphate (bilayer)
tails are hydrophobic
head is hydrophilic
6
Q
what is the shape of a steroid?
A
4 fused rings
7
Q
what is the main function of a lipid and what elements does it include?
A
long term energy storage
C, H, O, P for phospholipids
