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854809
Microorganisms
Descripción
Mapa Mental sobre Microorganisms, creado por Yujie el 10/05/2014.
Mapa Mental por
Yujie
, actualizado hace más de 1 año
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Creado por
Yujie
hace más de 10 años
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Resumen del Recurso
Microorganisms
MRS GREN
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
Bacteria
Multiply very quickly
Release poisons (toxins)
Attack cells
Dangerous when more bacteria present
Uses
Yoghurt
Cheese
Soap powder
Aids digestion
Facts
Simple, single celled
No true nucleus
Just coils of DNA
A cell wall
A cell membrane
small, approx. 1/1000mm
Can be treated with ANTIBIOTICS
Causes
Food poisoning
Tetanus
TB (Tuberculosis)
Tonsilitis
Virus
Facts
A strand of genetic information (DNA or RNA)
Surrounded by a protein coat
No nucleus
Non-living
Can only reproduce by invading other cells
Parasitic
Very small, approx. 1/1,000,000mm
Viruses inject their DNA into other cells
This directs the cell to produce more viruses
Eventually, the cells get so full of viruses that they burst
Uses
Genetic engirneering
Some to kill bacteria
Causes
Chickenpox
AIDS
Common cold
Influenza
Fungi
Facts
Contain Nuclei
Lack chlorophyll
Multi cellular fungi
Are made up of tubular threads called hyphae
A thick mat of hyphae make up the body of the fungus
This is called Mycelium
Yeast is a fungi
Grow longer and release poisons which attack cells
Uses
A source of antibiotics
Production of beer and bread
Causes
Athlete's foot
Ringworm
Protoctistans
Plasmodium
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