<prompt> Which type of glycoprotein is collagen?O-linkageN-linkageGPI linkagenone  <response>: O-glycosidic linkage: Mucin proteoglycans collagens Nuclear and cytosolic proteins N-Glycosidic linkage type: complex High mannose Hybrid GPI anchored: Acetylcholinesterase alkaline phosphatase Decay-accelerating factor 5-nucleotidase Thy 1 antigen Variable surface glycoprotein Reference: Harpers illustrated biochemistry 31st edition pg549 