3.5 Lipids Flashcards
1
Q
Lipids
A
Commonly known fats and oils, molecules containing elements carbon, hydrogen and oxygen.
2
Q
Triglyceride
A
Combination of one glycerol molecule with 3 fatty acids
3
Q
Phospholipids
A
Modified triglycerides, contains the element phosphate.
4
Q
Sterols
A
Type of lipid. Complex alcohol molecules. Dual hydrophobic and hydrophilic characteristics. Hydroxyl group is polar
5
Q
Cholesterol
A
Example of sterol, role in formation of cell membranes, positioned between phospholipids with hydroxyl group
6
Q
Emulsion test
A
Test for lipids, causes white emulsion to appear on top of solution.
