Cell Membrane Transport

Beschreibung

Cell Membrane Transport
Anapaz Solano
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Zusammenfassung der Ressource

Cell Membrane Transport
  1. Passive Transport
    1. Do not use energy
      1. Molecules move with concentration gradient.
        1. High to low.
          1. Diffusion
            1. Is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration.
            2. Osmosis
              1. Move across a semipermeable membrane from an area of higher water concentration to an area of lower water concentration.
              2. Facilitated Diffusion
                1. Is the diffusion of molecules across a membrane through transport proteins.
              3. A concentration gradient is the difference in the concentration of a substance from one location to another.
          2. Active Transport
            1. Use energy
              1. Molecules move against concentration gradient.
                1. Active Transport
                  1. Drives molecules across a membrane from a region of lower concentration to a region of higher concentration.
                  2. Exocytosis
                    1. The opposite of endocytosis, is the release of substances out of a cell by the fusion of a vesicle with the membrane
                    2. Endocytosis
                      1. Phagocytosis
                        1. Is a type of endocytosis in which the cell membrane engulfs large particles.Liquid Particles
                        2. Pinocytosis
                          1. Particles solid
                          2. Is the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane.
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