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Published byIris Robbins Modified over 8 years ago
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By: Nathan Piluso Pd. 5
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Microtubules are one of the many components that make up the cytoskeleton of a cell. They are hollow tubes made up of protein called tubulin. Sometimes they are considered the conveyer belts of a cell.
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One of the main function of the microtubules is to guide organelles and molecules throughout the cell. But this is not their only job. They are also responsible for maintaining a cell’s shape. Microtubules are important in helping cell division and supporting the cytoplasm. Once a cell divides, the microtubules are put to work in other areas.
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As seen in the model on the previous slide, a microtubule consists of many forms of the protein tubulin that stack up in a tube shape. These tubulin form subunits within the microtubule and allow it to do its job efficiently.
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For the most part, microtubules can be found within a cell’s cytoplasm for support, but there are certain stable microtubules that are located in a cell’s cilia and flagella. Cilia and flagella are actually made up of microtubules and help them do their job. Oh, I see…
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http://www.cytochemistry.net/Cell- biology/microtub.htm#tubulin http://www.cytochemistry.net/Cell- biology/microtub.htm#tubulin http://www.biology4kids.com/files/cell_micr otubule.html http://www.biology4kids.com/files/cell_micr otubule.html
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