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Standard XII
Biology
Types of Amino Acids
Lecithin and ...
Question
Lecithin and cephalin are:
A
Neutral fats
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B
Glycolipids
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C
Waxes
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D
Phospholipids
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Solution
The correct option is
A
Phospholipids
Lecithin and cephalin are Phospholipids.
Lecithin contains the amino alcohol, choline.
Lecithin is found in egg yolks, wheat germ, and soybeans.
Cephalins contain the amino alcohols serine or ethanolamine.
Cephalins are found in most cell membranes, particularly in brain tissues.
They are found in blood platelets. Hence, they are important in the blood clotting process.
Option D is correct.
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