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10 Cards in this Set
- Front
- Back
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Bacteria type |
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Gram positive vs Gram Negative |
Postive - Purple/blue under microscope. Thicker cell walls - susceptible to Penicillin which inhibits cell walll formation Negative - Red undermicroscope. Thinner cells walls. |
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Viruses general information |
0.02-3 micrometers Genetic Material sorrounded by protein coat. Invade host cells, rake over biochemistry to reproduce rapidly and evolve rapidly. Bacteriophages attack bacteria cells. E.g. HIV/AIDs Influenza virus Tabacco Mosaic Virus Herpes |
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Ring Rot |
Bacterial Targets Potatoes, tomatoes and 🍆 Caused by gram positive bacteria - Clavibacter Michiganesis Destroys 80% of crops - leaves, tubers and fruit Once infected, field cannot be reused for 2+ years, no cure |
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TMV |
Tabacco Mosaic Virus Tabacco plants + tomatoes, peppers, cucumbers, petunia and delphiniums Damages leaves, flowers fruit Stunts growth and Yield - can cause crop loss No cure, only resistance |
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Potato Blight |
Fungal-like Protoctist Hyphae penetrate host cell Leaves, tubers and fruit destroyed Millions of £ of crop damage No cure - resistant strains, management and chemical treatments to reduce infection risk |
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Black Sigatoka |
Fungal Attacks and Destroys banana trer leaves Hyphae penetrate and digest cells, leaves turn black Can cause 50% Yield reduction Resistant strains made, fungicide and hisbandry to reduce infection risk No cure |
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Tuberculosis/TB |
Bacterial disease - mycobacteria tuberculosis and M. bovis Tagets lung tissue and suppresses immune system 1.3/8.6 million deaths in 2012 Antibiotics Vaccinations |
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HIV and AIDs |
Human Immunodeficiency Virus Targets T helper Cells. Gradually Destroys immune system. Retrovirus with reverse transcriptase to turn RNA into DNA Passed via body fluids No vaccine, no cure |
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Influenza |
Viral infection |
