Additional Biology specialised cells quiz

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  • Created by: Cazza180
  • Created on: 30-05-16 15:29

1. Why are red blood cells concave?

  • Large surface area to absorb oxygen and to glide smoothly in the capillaries
  • The have no nucleus so are smaller
  • So lots can fit next to each other
  • They all get pressed by the heart
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Other questions in this quiz

2. Why do root hair cells have a large permanent vacuole?

  • To speed up the process of osmosis from the soil to the cell
  • So more energy is released
  • To store the cell from the plant
  • Every cell does

3. Which of these is not a n adaptation of a fat cell?

  • Few mitochondria because they need little energy
  • They (unlike other animal cells) have a cell wall to prevent them from busting when there is too much fat
  • Small amount of cytoplasm for more fat
  • They can expand as they fill with fat

4. Which of these do egg cells contain?

  • cell wall
  • Food reserves to feed the embryo
  • 46 chromosomes
  • water to stay hydrated

5. How do guard cells close at night?

  • They're light sensitive so close when it's dark
  • They lose energy at night so tighten
  • The stomata shrivells ups
  • The sense a lack of water so close

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