Which of the following glycoprotein has both lubricant and protective action:
Ans. (A) Mucin(Ref: Harpers Illustrated Biochemistry 31st Ed; Page No- 547)Glycoprotein and their FunctionsGlycoproteinsFunctionMucinsLubricant and protective agentImmunoglobulins, histocompatibilityantigensImmunologic moleculeCollagensStructural moleculeCalnexin, calreticulinRegulate folding of proteins that are exported from the cellPlasma proteins of cold-water fishAntifreezeTransferrin, ceruloplasminTransport moleculeLectins, selectin (cell adhesion lectins), antibodiesInteract with specific carbohydratesNotch and its analogs, key proteins in developmentRegulation of differentiation and development
Nutrition and Health
Mucin
Immunoglobulin
Collagen
Albumin
Mucin