10 Questions
What are some examples of lipids?
Fats, oils, steroids, waxes
What distinguishes lipids as a class of compounds?
Insolubility in water and solubility in nonpolar solvents
Why are lipids important in biological systems?
They form the cell membrane
What are triglycerides used for in biological systems?
Energy storage and fuel
Name two examples of polar lipids.
Glycerophospholipids and sphingolipids
What is the purpose of the acrolein test?
To detect the presence of glycerol and fat
How is the saponification test used in lipid analysis?
To form soap by the hydrolysis of fat or oil with alkaline
What is the principle of the dichromate test for lipids?
It is based on an oxidation reaction
How does the emulsification test detect the presence of lipids?
Emulsifying agents emulsify the lipids, causing them to appear as tiny droplets suspended in the solution
What does the translucent spot test indicate about lipids?
It indicates the greasy texture and penetrative nature of lipids
Test your knowledge of lipids with this quiz covering their characteristics, functions, and importance in biological systems. Learn about the role of lipids in forming cell membranes and their insolubility in water.
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