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What shape are cocci bacteria? |
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What shape are bacilli bacteria? |
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What is the third bacterial shape following cocci and bacilli? |
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How do prokaryotes compare in size, complexity, and age to eukaryotes? (See prokaryote vs. eukaryote flash cards) |
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Prokaryotes are smaller, simpler, and more ancient |
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What structure carries the genetic information of a prokaryote? |
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A nucleoid (single, long, circular piece of DNA) |
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Where do most metabolic functions take place in prokaryotes? |
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What structure in bacterial cells contains peptidoglycan and helps to prevent osmotic lysis? |
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How are nutrients and wastes transported in and out of the cell? |
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What are the three basic methods of transport across the plasma membrane of bacterial cells (prokaryotic and eukaryotic)? |
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simple diffusion, facilitated diffusion, and active transport
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What bacterial "resting cells" are the toughest biological particles? |
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Some bacteria are mobile via their own propulsion. What structures provide this propulsion (motility)? |
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Flagella or axial filaments |
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What structure may help a bacterium cause disease (it is a "virulence factor")? |
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The glycocalyx (capsule or slime layer) |
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What two structures can help prokaryotic bacteria attach to other prokaryotic or eukaryotic cells? |
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Pili and Fimbriae (singular of pili is pilus) |
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Capsule This layer is referred to as the glycocalyx If the material of the glycocalyx is loose/disorganized, then it may be referred to as the slime layer |
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Are plasmids necessary to prokaryotic cell reprodution? |
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No Plasmids are small, circular DNA molecules that replicate independently of the chromosome (of the cell) |
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