6: Membranes (part 2: Membrane Transport) Quiz

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  1. Diffusion is an example of1
  2. Facilitated diffusion is a form of passive transport.1
  3. Aquaporin, a channel protein, helps with the facilitated diffusion of ______________ across the cell membrane.1
  4. What is true about passive transport?1
  5. Endocytosis is the process cells use to bring large molecules into the cell.1
  6. Endocytosis is an example of1
  7. In diffusion, molecules will naturally move _____________ their concentration gradient.1
  8. What is a concentration gradient?1
  9. Unlike passive transport, active transport requires the use of _____________.1
  10. Which of these is NOT true of exocytosis?1
  11. Nothing except water can diffusion through a cell membrane.1
  12. Facilitated diffusion is a form of active transport.1
  13. What kinds of energy are commonly used by pumps during active transport? (Select all right answers)1
  14. Proton pumps require the use of energy to work.1
  15. Pumps move molecules against their concentration gradient.1
  16. Small molecules like oxygen and carbon dioxide can diffuse directly through a cell membrane.1
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