Cells

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1. What is the order that organelles in animal cells are found in centrifugation?

  • Nucleus, mitochondria, rough ER, smooth ER, ribosomes
  • Nucleus, ribosomes, rough ER, smooth ER, mitochondria
  • Nucleus, rough ER, smooth ER, mitochondria, ribosomes
  • Nucleus, mitochondria, smooth ER, rough ER, ribosomes
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2. How are red blood cells adapted for their purpose?

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

3. What is the golgi body's role in an insulin-making cell?

  • Releasing ATP
  • Transports insulin to vesicles
  • Activating insulin
  • Attaching to insulin genes

4. What is a supernatant?

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

5. What is the purpose of a buffer?

  • To control PH
  • To slow down osmosis
  • To control temperature
  • To speed up osmosis
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