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Dan Nigro's Biology 109 Lab Images
Click on the images below to enlarge them.
Lab 1.  Introduction to the Microscope
Blood.jpg (52734 bytes) Flea.jpg (35342 bytes) Yersinia pestis.jpg (42186 bytes) Cross Fibers.jpg (35201 bytes) letter e.jpg (31156 bytes)
   Human Blood            Flea         Y. pestis     Cross Fibers         Letter "e"
Lab 2.  The Cell
onion root tip.jpg (87065 bytes) elodea.jpg (86473 bytes) Cheek cell.jpg (26197 bytes)
    Onion Root        Elodea       Cheek Cell
Lab 3. Chemistry
Here are the results of the tests that you performed on the following organic molecules:
Benedict's.jpg (36955 bytes) Iodine.jpg (37043 bytes) Sudan Black.jpg (38487 bytes) Protien.jpg (35407 bytes)
Monosaccharides           Starch          Lipids         Protein
Lab 4. Respiration
Here are a few photos of the experiments you performed:
CO2 production.jpg (29672 bytes) Fermentation results.jpg (52582 bytes) Respiration chamber.jpg (57007 bytes)

Fermentation Tube

       Results Respiration Chamber
Lab 6. Cell Division
Below are photos of the slides from lab 6 for you to review for the midterm.  
Plant cell mitosis.jpg (67039 bytes) Animal cell mitosis 1.jpg (50162 bytes) Animal cell mitosis 2.jpg (46150 bytes) Normal lung.jpg (63662 bytes)
    Plant Mitosis Animal Mitosis 1 Animal Mitosis 2     Lung Tissue
Lab 7. Genetics
For this lab you looked at normal blood and sickle-cell anemia blood.  Notice the round disc shaped cells of the normal blood.  The sickle-cell blood cells shown in this photo show the characteristic sickle shape rather than the normal round appearence.
Blood.jpg (52734 bytes) Sickle-cell anemia.jpg (44179 bytes)
  Normal Blood Sickle-Cell Anemia

 

 

 

 

 

 

 

 

 

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