Cell Membranes Definitions

Definitions of key terms for the topic of Cell Membranes.

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Intrinsic protein

Proteins that are long enough to go all the way through the bilayer.

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Extrinsic proteins

These proteins never extend full way acorss the bilayer. They give structure to the membrane and act as receptors for hormones.

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Exocytosis

This is the reverse of endocytosis and is the process by which materials are removed from cells.

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Pinocytosis

This is the bulk uptake of liquid.

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Pagocytosis

This is the bulk uptake of solid material.

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Glycoprotein

Formed when a branching carbohydrate attaches to a protein.

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