G1cNAc-P-P- oligosacharride is -Glycoprotein

G1cNAc-P-P- oligosacharride is -
a) Proteoglycan
b) Glycoprotein
c) Collagen
d) Phospholipid
Correct Answer - B
Ans. is ‘b’ i.e., Glycoprotein [Ref Medical Biochemistry by
Bhagvan p. 312]
Dolichol plays a role in post-translational modification of protein by
glycosylation to form glycoproteins.
It acts in the form of Dolichol pyrophosphate (Dolichol PP) and
transfer Oligosaccharide from dolichol to glycoproteins
N-acetylgalactosamine-P-P-Dolichol (GLc NAc-P-P-dol) compound
formed in the bionsynthesis of lipid-linked oligosaccharides.
Dolichol -P-P acts as a carrier of oligosaccharide and transfer it to
glycoprotein