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26 Cards in this Set
- Front
- Back
Staphylo-Cocci |
cocci found in clusters |
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cocci found in groups of four are known as |
tetrad |
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diplo means |
in pairs |
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External structures of prokaryotic cells |
Flagella,pili, glycocalyx |
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appendages that propel bacterial cells through an aqueous environment include |
flagella and axial filaments |
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the ability of a cell to move or self propel through an aqueous environment is known as |
Motility |
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What shape bacterial cell is this |
Bacillus |
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what shape bacterial cell is this |
cocci |
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the term used for a short plump bacterial rod is |
coccobacilli |
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a comma shaped bacterium is specifically described as |
vibrio |
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what bacterial cell shape is this |
Vibrio |
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peptidogylcans are components of the cell walls in |
bacteria |
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what cell structure is designed to provide shape. support and resistance to osmotic pressure? |
Cell wall |
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the phospholipid barrier surrounding the peptidoglycan layer in gram negative bacteria is called? |
outer membrain |
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plasmids typically carry |
antibiotic resistance, nonessential genes |
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the two main components of the cell envelope in most bacteria are? |
Cell wall, cell membrane |
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Site of protein synthesis |
Ribisome |
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Selectively permeable |
allows the passage of some materials but not all materials through freely |
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glycocalyx |
polysaccharide protective coating outside of the bacterial cell wall that is called either a capsule of slime layer |
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plasmids |
extrachromosomal piece of DNA that contains genes not essential for cell growth |
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Cytoplasm |
the internal gelatinous matrix of a cell mostly composed of water |
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primary function of the cell membrane |
a barrier between internal and external contents of the cell |
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the genetic exchange of material through pili termed |
conjugation |
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the density of a ribosome |
70S |
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what structural differences are found in gram positive cells but not gram negative |
single cell membrane, teichoic |
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specialized proteins located in the outer membrane of gram negative |
porin protiens |