Question

- Proteoglycans

- Glycoproteins

- Lipolysaccharides

- Glycolipids

These are all found where? Options are cytosol, cytoplasmic membrane, outer membrane of gram-negative bacteria, extracellular space

Answer 1

Proteoglycans are mainly found in extracellular space, in all connective tissues. They have long chains with disaccharide as repeating units. Low carbohydrate (10%)

Glycoproteins are found in cytoplasmic membrane of cells. High carbohydrates content (50-60%) and have highly branched glycan chain without repeating units.

Lipopolysaccharide are found in outer membrane of gram-negative bacteria. In addition to proteins and phospholipids.

Glycolipids found in outer leaflet of cytoplasmic membrane with their carbohydrates exposed to the cell surface.

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