Transport across cell membranes

Beschreibung

National 5 Biology (1.2 Transport across cell membranes) Karteikarten am Transport across cell membranes, erstellt von kalina am 02/02/2014.
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Karteikarten von kalina, aktualisiert more than 1 year ago
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Zusammenfassung der Ressource

Frage Antworten
What is the cell membrane composed of? Lipid and protein.
What two words can describe the cell membrane? Selectively permeable.
What is the difference in a concentration of a substance called? The concentration gradient.
What is passive transport? Substance doesn't require additional energy to move. The movement of molecules down the concentration gradient (from high to low)
What are the two examples of passive transport? Diffusion and osmosis.
What is diffusion? The movement of substances from a high concentration to a low concentration down a concentration gradient.
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