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BIO 201-2013 Broyles-Lab Quiz 2

BIO 201-2013 Broyles-Lab Quiz 2. Onion Scale Epidermis. What is this organelle? What are the two or three smaller circles within this organelle?. Red Pepper Epidermis. What organelle is represented by the small red areas? What pigment is in these organelles?.

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BIO 201-2013 Broyles-Lab Quiz 2

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  1. BIO 201-2013Broyles-Lab Quiz 2

  2. Onion Scale Epidermis What is this organelle? What are the two or three smaller circles within this organelle?

  3. Red Pepper Epidermis What organelle is represented by the small red areas? What pigment is in these organelles?

  4. Cells A & B are from an Elodea leaf. Although the cells look different in this photograph, they are essentially identical. Please explain the differences in the views of these two cells. A B

  5. White potato tuber. Same organelles stained with IKI. What does this reaction indicate? What are these organelles?

  6. The geranium leaf below was placed in the dark for two days. The leaf was then placed in the light for twelve hours with a decal overlay. The leaf boiled in ethanol and then stained with IKI. Why was the leaf placed in the dark for two days? What does this experiment demonstated?

  7. The vessel in this view was photographed using the 10X objective lens of the class compound microscope. Each ocular unit using the 10X objective is 10µm. What is the total magnification of this cell? What is the width of the cell? What is the function of this cell? 0 10 20 30 40 50 60 70 80 90 100

  8. The following graph was adopted from many of your photosynthesis results. What is the appropriate title for the X axis? What is the appropriate title for the Y axis? Why is point “P” negative? 200 100 50 0 -50 P 0 2000 4000 6000 8000

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