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Question

The lubricant mucin of saliva is made up of

A
Unsaturated fats
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B
Polysaccharides
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C
Glycoproteins
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D
Phospholipids
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Solution

The correct option is B Glycoproteins
The lubricant mucin of saliva is made up of glycoproteins. Mucin is a mucopolysaccharide or glycoprotein that is the chief constituent of mucus.
This lubrication helps in providing protection of body cavity linings.
Hence, the correct answer is option C.

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