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90460
Functions of structures in bacteria cell
Description
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.
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biology
cells & movement in/out of them
biology
cells & movement in/out of them
a-levels
Mind Map by
hannah.lindridge
, updated more than 1 year ago
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Created by
hannah.lindridge
almost 11 years ago
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Resource summary
Functions of structures in bacteria cell
Cell Wall
Physical barrier
Protects against mechanical damage and excludes certain substances
Capsule
Protects bacterium from other cells
Helps groups of bacteria stick together for further protection
Cell-Surface membrane
Differentially permeable layer
Controls entry and exit of chemicals
Flagellum
Aids movement of bacterium
Rigid, corkscrew shape and rotating base help cell spin through fluids
Circular DNA
Possesses genetic information
For replication of baterial cells
Plasmid
Possesses genes which aid survival of bateria in adverse conditions
e.g produces enzymes which break down antibiotics
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