Biology

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Across
  1. 4. diffusion of a solvent from a more dilute solution to a more concentrated solution through a membrane that's permeable to the solvent
  2. 5. the movement of particles from regions of higher density to lower density
  3. 7. process by which a cell membrane surrounds a particle and encloses particle in a vesicle to bring the particle into the cell
  4. 8. diffusion the transport of substances through a cell membrane along a concentration gradient with aid of carrier proteins
  5. 11. transport the movement of a chemical substances, across cell membrane, against a concentration gradient
  6. 12. potassium pump carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell
Down
  1. 1. transport the movement of substances across a cell membrane without the use of energy by the cell
  2. 2. solution solute concentration is lower than the solute concentration inside a cell
  3. 3. gradient a difference in the concentration of a substance across a distance
  4. 6. solution solute concentration is higher than the solute concentration inside a cell
  5. 9. solution solute concentration is equal to the solute concentration inside a cell
  6. 10. process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface and then fuses with the membrane to let the substance out