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    Some differences between prokaryotic and eukaryotic cells

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    There are two main types of cells: prokaryotic and eukaryotic.

    1. Bacterial cells are prokaryotic. Choose two structures of bacterial cells and explain how these structures allow bacteria to function as unicellular organisms.

    2. There are many examples of eurkaryotic cells. Algae, Fungi, Plants, and Animals are all composed of eurkaryotic cells. Some algae and fungi are unicellular organisms, but other algae and fungi, and all plants and animals are multicellular organisms that are composed of specialized eukaryotic cells that interact to support the life of the multicellular organism.

    Choose either a plant or an animal cell. Describe two structures of the cell and how these function to support both the function of the cell and overall life (function) of a plant or animal organism.

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    Solution Preview

    1. Most bacteria are at the limits of resolution for optical microscopes, so not many features of their cells can be seen. However, some are well known.

    The bacterial flagellum can be seen after staining with substances that cake the flagellum and increase its diameter to the point it can be observed with an oil immersion microscope. This structure allows for movement of bacterial cells. For example in conjunction with chemreceptors, bacteria may move towards chemicals like glucose that are food sources. This is called chemotaxis. There are some useful images of flagella at http://en.wikipedia.org/wiki/Flagella#Bacterial_flagellum . Be careful not to confuse bacterial flagella with eukaryote flagella which have different ...

    Solution Summary

    Golgi apparatus, Flagella and Cell Wall functions are contrasted.

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