1) Define Pathogen a) Disease causing human b) Disease causing organism 2) Bacteria can be a) Good and bad b) Bad , very bad, really really bad c) Friendly d) A good pet 3) Pathogenic fungi example a) Athletes foot b) Nose itch 4) Virus characteristics a) Contain DNA an a protein coat b) Contain DNA or RNA and a protein coat 5) Tobacco Mosaic Virus infect plants and cause the following symptoms a) Smoke escaping form the stomata b) mosaic pattern of discolouration 

Pathogens

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