6: Membranes (part 2: Membrane Transport) Quiz

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