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| the brance of sciende that deals with micororganisms and their effect on other living organisms |
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| an individual form of life like a plant, animal, bacterium, protist fungi |
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| organisms ( or agents) that infect teh body causing disease. |
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| the ability of a pathogen to cause disease |
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| the relative ability of a pathogen to cause disease. |
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| organisms ( often normal flora) that are not pathogenic under normal circumstances, but can cause disease under certain circumstances, such as a wound, being in the wrong place at the or changing in immune status. |
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| guidlines to conclude that a particular organism causes a specific disease |
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| Who established cause of Infectious disease through postulates ? |
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| Robert Kock = Koch's Postulates |
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| microorganisms that infect both animals and humans |
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| What is the worldwide # 1 killer among infectious diseases? |
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| What is the number 2 killer world wide among infectious diseases? |
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| What 2 domains are pathogens in? |
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| Within Eukarya pathogens are found where? |
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| How do prokaryotes differ from eukaryotes? |
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| prokaryotes have no internal membranes |
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Term
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very small obligate intracellular parasites, consisting of nucleic acid (DNA or RNA) and protein
so small can no be dected by light microscope.
must have host machinery to replicate. inactive outside of host.
- all forms of life can be infected by viruses |
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consist of a single short piece of RNA . contain no protective protein coat .
smaller and simpler than virus DNA , still require host cell for replication.
many cause plant diseases |
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infectious proteins, contain no nucleic acid.
responsible for at least seven neruodegenerative diseases. |
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