Question
Glycoprotein which is Lubricant & Protective
A. Mucin
B. Immunoglobulin
C. Ovalbumin
D. None of these
Show Answer
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Correct Answer » A
Explanation
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Answer- A. Mucin
* glycoproteins found in the body is mucins, which are secreted in the mucus of the respiratory and digestive tracts. The sugars when attached to mucins give them considerable water-holding capacity and also make them resistant to proteolysis by digestive enzymes.
* O-Linked Glycans: • Mucins, which are found extensively in salivary secretions, contain many short O-linked glycans. • Increase the viscosity of the fluids
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