| http://www.w3.org/ns/prov#value | - Proteins act as Cell Identification Markers???Lipids and proteins within the membrane may have a carbohydrate chain attached???These glycolipids and glycoproteins often function as cell ID markers, allowing cells to identify other cells???This is particularly important in the immune system where cells patrolling the body???s tissues identify and destroy foreign invaders such as bacteria or viruses
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