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attached to proteins stick out from the plasma membrane to define the cell’s characteristics and help cells identify chemical signals.

Sagot :

On the membrane's exterior, some of the lipids and proteins are joined by carbohydrates. These come together to form complexes that serve as the cell's unique identification to other cells.

Membranes contain a lot of proteins in addition to lipids. In actuality, proteins make up about half of the mass of most cellular membranes. Transmembrane proteins are those that are embedded within the membrane and protrude on both sides.

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