Elodea lab 2014

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  • 1. Elodea Lab
  • 2. Prelab Questions 1. What is the function of chloroplasts? 2. Name two structures found in plant cells but not animal cells. 3. Name three structures found in plant cells AND in animal cells. 4. What structure surrounds the cell membrane (in plants) and gives the cell support.
  • 3. When the microscope is focused on the top of the cell, numerous small, round, green chloroplasts are visible (arrows)
  • 4. By focusing on the middle of the cell you can see the cell walls
  • 5. As the slide warms from the light of the microscope, you may see the chloroplasts moving, a process called cytoplasmic streaming. Elodea Cells at ___x Elodea Cells at _____x Label the Cell Wall Chloroplasts Cytoplasm Your cells should be drawn, colored and labeled to the best of your ability. Remember your titles.
  • 6. Post Lab Questions 1. Describe the shape and the location of chloroplasts. 2. Why were no chloroplasts found in the onion cells? (hint: think about where you find onions) 3. Which type of cell was smaller - the onion cells or the elodea cells?
  • 7. 4. Fill out the Venn Diagram below to show the differences and similarities between the onion cells and the elodea cells.
  • 8. http://www.microscopy-uk.net/vidplanet/video/show/pFsty-XyLZc/online