<prompt> Immunoglobulins are:ProteinsGlycoproteinsProteoglycanGlycoside  <response>: Ans. B. GlycoproteinsBiologically Important GlycoproteinsQPlasma proteins except albuminBlood group substancesHormones hCG, TSH, LH.FSHQEnzyme: Alkaline PhosphataseStructural protein: CollagenTransport proteins: Ceruloplasmin, Transferrin Glycoproteins 