High Confidence - Lipids Flashcards
1
Q
Name three types of lipid.
A
Triglycerides
Phospholipids
Cholesterol
2
Q
Describe the structure of a triglyceride.
A
One molecule of glycerol with three fatty acids attached to it.
3
Q
Name the two kinds of fatty acids and explain their structure.
A
Saturated fats lack double bonds between the individual carbon atoms
Unsaturated fats have at least one double bond in the fatty acid chain.
4
Q
What test do you conduct to test for the presence of lipids?
A
Emulsion test.
5
Q
How do you perform a test for lipids?
A
Shake the test subject with ethanol for about a minute. Pour the solution into water.
6
Q
What indicates a positive test for lipids?
A
A milky colour in the test solution.
The more noticeable the milky colour, the more lipid is present.
