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单词 Membrane transport proteins
释义

Membrane transport proteins

英语百科

Membrane transport protein

(重定向自Membrane transport proteins)
Facilitated diffusion

A membrane transport protein (or simply transporter) is a membrane protein involved in the movement of ions, small molecules, or macromolecules, such as another protein, across a biological membrane. Transport proteins are integral transmembrane proteins; that is they exist permanently within and span the membrane across which they transport substances. The proteins may assist in the movement of substances by facilitated diffusion or active transport. These mechanisms of action are known as carrier-mediated transport.

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