Dissolved substances

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  • Created by: Busayoxo
  • Created on: 19-12-15 19:41

1. What does partially permeable membrane mean?

  • A membrane which is very large
  • A membrane that allows large particles pass through it
  • A membrane that allows small particles pass through it
  • A membrane which is very small
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Other questions in this quiz

2. How do dissolved substances move into and out of cells?

  • Through Meisos
  • Through Respiration
  • Through Diffusion
  • Through Mitosis

3. What is the definition diffusion?

  • The net movement of molecules from a region of high concentration to a low concentration across a partially permeable membrane down a concentration gradient
  • The release of energy from glucose
  • The net movement of molecules from a region of low concentration to a high concentration across a partially permeable membrane down a concentration gradient
  • The net movement of molecules across a concentration gradient down a cell membrane

4. When does diffusion happen?

  • When particles vibrate
  • When particles are free to move
  • When particles lose charge
  • When particles have become less dense

5. What factor does NOT affect the rate of diffusion?

  • Concentration gradient
  • Light
  • Temperature
  • Distance particles have to travel

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