Question

A lubricant, mucin in saliva is made up of

• A. Glycoproteins
• B. Polysaccharides
• C. Phospholipids
• D. Myosin

Answer 1

The correct option is A Glycoproteins

Mucin is a glycoprotein found in mucous. It coats the epithelial surface. Gastric mucin protects the stomach from the attack of acids. it is mainly produced by goblet cells, apical cells of the conjunctiva and cornea and the lacrimal gland. It is present in saliva and bile and in salivary glands, in the skin, connective, tissues, tendon, and cartilage. It is formed from mucigen and in water, it forms a slimy solution.

So, the correct answer is option A.