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Respective functions of proteins-phospholipids

Write down the respective functions of proteins, phospholipids and carbohydrates of cell membrane.

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Membrane phospholipids enfold a structural function they form bilipid membrane which constitutes the cell membrane itself.

Membrane proteins enfold dissimilar specialized functions. Some of them are channels for the substances to pass throughout the membrane, others are signalers and receptors of information, others are cell identifiers, others are enzymes (or cellular labels) and there are still those that participate in adhesion complexes between cells or between internal surface of membrane and cytosketeleton.

Membrane carbohydrates, allocated to proteins or to the lipids, are found in outer surface of cell membrane and they enfold in general labeling functions for recognition of cell by other cells and substances (for instance, they discriminate red blood cells in relation to ABO blood group system), immune modulation, pathogen sensitization functions, and so forth.

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