B4 Quiz

Based on the grade booster checklist in my revision guide

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1. Where are enzymes assembled?

  • In the cytoplasm
  • In the cell membrane
  • In the nucleus
  • In the cell wall
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2. What is osmosis?

  • The diffusion of chemicals through water
  • A special form of diffusion only involving water
  • When a cell membrane blocks water
  • The movement of water

3. What does an enzyme work with?

  • Any reaction
  • A variety of substrates
  • Only one type of substrate
  • All substrates

4. What are enzymes assembled from?

  • Instructions based on previous reactions
  • Instructions in the genes
  • Instructions from receptors
  • Instructions based on the body's needs at the time

5. What is diffusion?

  • The movement of molecules from an area of high to low concentration
  • The movement of water across a cell membrane
  • The random movement of molecules
  • The movement of molecules from an area of low to high concentration


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