Lipids Flashcards
1
Q
What is the structure of a triglyceride?
A
Glycerol linked to three fatty acids
2
Q
What is the structure of a phospholipid?
A
Glycerol linked to 2 fatty acid chains and a phosphate group. Hydrophilic head and hydrophobic tail. Make up cell membranes
3
Q
What is the structure of steroids?
A
Four ring structure, E.g. oestrogen, testosterone, cholesterol
4
Q
What is the function of lipids?
A
Insulation, energy storage, protection
5
Q
What is the difference between saturated and unsaturated fatty acids?
A
Unsaturated - have a double carbon-to-carbon bond
Saturated - only have single carbon-to-carbon bond
