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Cells Lab Ch. 7 A tour of various eukaryotic and prokaryotic cells.

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Presentation on theme: "Cells Lab Ch. 7 A tour of various eukaryotic and prokaryotic cells."— Presentation transcript:

1 Cells Lab Ch. 7 A tour of various eukaryotic and prokaryotic cells

2 Human Cheek Cell Squamous cell epithelium A human cheek cell Eukaryotic Obvious nuclei Cell Membrane Cytoplasm

3 Frogs Blood Both red cells (erythrocytes) & white cells (leukocytes) Frog red cells have a nucleus White cells are dark purple staining

4 Human Blood Notice human red blood cells have no nucleus White cells are purple stained. Notice the difference in the shape of white cell nuclei

5 Onion Cell 100x Notice obvious cell wall Notice obvious nucleus Plant cells have a cell membrane interior to cell wall (cellulose)

6 Onion Cell 400x (notice nuclei)

7 Elodea Wet Mount Notice the obvious cell walls Notice the obvious cell walls Notice the green chloroplasts Notice the green chloroplasts Most slides show multiple cell layers Most slides show multiple cell layers

8 Elodea Wet Mount Regular repeating structure/arrangement of plant cell walls Regular repeating structure/arrangement of plant cell walls

9 Elodea Wet Mount

10 Bacteria Slide 400x (gram stain) Bacteria are extremely small Bacteria are prokaryotes Bacteria lack membrane bound organelles & nucleus Bacteria multiply rapidly


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