Biology Report on Cells
... The cell theory states, “all living things are composed of cells and that cells come only from other cells” (Mader 43), thus every animate organism contains at least one cell. There are two major types of cells, prokaryotic and eukaryotic. One of the primary differences between the two is that prokaryotic cells, unlike eukaryotic, do not contain a nuclei. Additionally, prokaryotic cells lack certain organelles that are present in eukaryotic cells. ... One of the key features of cells includes its ability to utilize enzymes, which fuels the work being done inside a cell (How Stuff Works 3). ... ORGANELLES [Materials] Compound light microscope One prepared slide of Escherichia coli (a non photosynthetic bacterium) One prepared slide of human cheek epithelial cells [Hypothesis] The epithelial cells are eukaryotic, so a nucleus will be present. ... 2) Examine the prepared slide of the epithelial cells using the compound light microscope at 40x power.