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Chapter 3 Bio

Chapter 3 Bio - would be prokaryotic The shape of the cell...

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1. A cell is the microscopic, basic unit of life, which is surrounded by a membrane encompassing the genetic material, DNA. 2. Looking at a cell under a microscope, there are a few differences that might allow someone to determine if it was a prokaryotic or eukaryotic cell. Typically, eukaryotic cells are much larger than prokaryotic cells. Therefore, a person could take the size of the cell into consideration when determining which type of cell it was. Also, under the microscope, a person would look for a nucleus. If the cell contained a nucleus, then the cell would be eukaryotic; however, if the cell did not contain a nucleus, then the cell
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Unformatted text preview: would be prokaryotic. The shape of the cell should be taken into account also because prokaryotic cells have specific shapes, such as bacilli, cocci, and spirilla. Furthermore, the extracellular structures could be considered when determining the type of cell. For prokaryotic cells, structures such as pili and flagella give it a unique appearance. It is important to remember, though, that some eukaryotic cells have flagella or similar structures called cilia so this may not be the best way to distinguish between these two types of cells....
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