Bacterial Cell Structures

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  • Created by: jojo
  • Created on: 01-01-13 17:06
Physical barrier that protects agains mechanical damage, such as stopping it bursting when it takes in water by osmosis, and excludes certain substances
cell wall
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Protects bacterium from other cells and helps groups of bacteria to stick together for future protection. also stops cells from drying out
slime capsule
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acts as a differentially permeable layer which controls the entry and exit of chemicals
cell membrane
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for locomotion - aids movement of bacterium because its rigid, corkscrew shape and rotating base help the cell spin through fluids
flagellum
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large circle of DNA - possesses the genetic information for the replication of bacterial cells
nuclear material
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possesses the genes that aid the survival of bacteria in adverse conditions, e.g. produces enzymes which break down antibodies
plasmid
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smaller than in eukaryotic cells - used in protein synthesis
ribosomes
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jelly-like and contains enzymes and other soluble materials
cytoplasm
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Other cards in this set

Card 2

Front

Protects bacterium from other cells and helps groups of bacteria to stick together for future protection. also stops cells from drying out

Back

slime capsule

Card 3

Front

acts as a differentially permeable layer which controls the entry and exit of chemicals

Back

Preview of the front of card 3

Card 4

Front

for locomotion - aids movement of bacterium because its rigid, corkscrew shape and rotating base help the cell spin through fluids

Back

Preview of the front of card 4

Card 5

Front

large circle of DNA - possesses the genetic information for the replication of bacterial cells

Back

Preview of the front of card 5
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