Functions of structures in bacteria cell

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A-Levels Biology (Cells & movement in/out of them) Mind Map on Functions of structures in bacteria cell, created by hannah.lindridge on 15/05/2013.
hannah.lindridge
Mind Map by hannah.lindridge, updated more than 1 year ago
hannah.lindridge
Created by hannah.lindridge almost 11 years ago
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Resource summary

Functions of structures in bacteria cell
  1. Cell Wall
    1. Physical barrier
      1. Protects against mechanical damage and excludes certain substances
    2. Capsule
      1. Protects bacterium from other cells
        1. Helps groups of bacteria stick together for further protection
      2. Cell-Surface membrane
        1. Differentially permeable layer
          1. Controls entry and exit of chemicals
        2. Flagellum
          1. Aids movement of bacterium
            1. Rigid, corkscrew shape and rotating base help cell spin through fluids
          2. Circular DNA
            1. Possesses genetic information
              1. For replication of baterial cells
            2. Plasmid
              1. Possesses genes which aid survival of bateria in adverse conditions
                1. e.g produces enzymes which break down antibiotics
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