Lipids Flashcards
1
Q
Roles of lipids
A
source of energy, insulation, protects organs, waterproofing, cell membrane
2
Q
Characteristics of lipids
A
Insoluble in water, soluble in organic solvents (alcohol, acetone)
3
Q
What are the 2 types of lipids
A
Triglycerides, phospholipids
4
Q
What type of reaction forms triglycerides ?
A
Condensation reaction
5
Q
How many types of fatty acids are there ?
A
70 +
6
Q
What bond do triglycerides have
A
ester bond
7
Q
Lipids test
A
1.grind sample
2. add distilled water and ethanol
3. shake
4. If a white emulsion appears lipids are present
