Cells, Organs and Processes

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  • Created by: rm715
  • Created on: 29-02-16 10:32

1. What shape are red blood cells?

  • Spherical so they can have a bigger nucleus
  • Sickle shaped (crescent moon shape) so they are distinct from white blood cells
  • Concave to hold more oxygen
  • Flat to help them pass smoothly through the capillaries
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2. What function do guard cells have in a leaf?

  • Contains the genetic information
  • Stops leaves getting diseases
  • Controls water loss
  • Stores sunlight

3. Which tissue (group of cells) contracts and shortens to move?

  • Epithelial tissue (Stomach lining)
  • Glandular tissue
  • Muscular tissue
  • Salivary gland

4. What makes bacteria, viruses and red blood cells different to other cells?

  • They have no purpose
  • They have no nucleus
  • They are all in the blood

5. If the concentration of the solution inside the cell is the same as outside the cell, the solution is:

  • Hypertonic
  • Burst
  • Isotonic
  • Hypotonic


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