Other questions in this quiz

2. How are red blood cells adapted for their purpose?

  • Flat shape
  • Red colour
  • Biconcave shape and no nucleus
  • Small nucleus

3. What is a supernatant?

  • Liquid left after centrifugation
  • Solid left after centrifugation
  • The apparatus used to separate organelles

4. What are plasmids?

  • Small loops of DNA in bacteria
  • DNA in plant cells
  • Chromosomes in all cells
  • Chromosomes in bacteria

5. Why does centrifuge solution have to be isotonic?

  • Prevent osmosis
  • Speed up osmosis
  • Minimize cell activity
  • Denature enzymes

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