Infection: Bacteria and Viruses

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is an organism that has prokaryotic DNA, and can live in soil, water, plants and animals. A has a protein coat, DNA or RNA but no replication machinery. are eukaryotes that can be unicellular or multicellular and have cell walls that contain chitin. are eukaryotic, unicellular and motile. are worms and eukaryotic parasites.

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: Organism capable of causing disease

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: Organism which colonizes the host but causes no disease in normal circumstances

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Using the Ziehl neeson stain, the microorganism turns pink. What does this show?

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A bacterium turn purple when stained with gram stain, what does this show

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Endotoxins are produced from lipopolysacherides of bacterium. Which bacteria has this feature

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which bacteria produces exotoxins

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antigenicity of endotoxins are strong

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Endotoxins can be converted into toxoids

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composition of an exotoxin

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Types of bacterial gene transfer:

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Obligate intracellular bacteria

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example of a spirochaete

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Gram negative anaerobic bacteria example

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Example of gram negetive aerobic bacteria

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peptostreptococcus is a gram positive anaerobic cocci bacterium

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staphylococcus is a gram positive aerobic cocci bacterium

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clostridium is a gram positive anearobic rod bacterium

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an acid fast (ziehl neeson stain positive) rod bacterium is mycobacteria

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what colour would a sample of a tuberculosis patient's mucous of their lungs go if you added a ziehl neelson stain to it

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What type of bacteria would arrange themselves like this?

Streptococci Pneumoniae

Psuedomonas flouresens

staphylococci aureus

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What bacterium would arrange themselves like this?

pneumococcus pneumoniae

streptococcus pyogenes

staphlococcus aureus

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Which organism would arrange themselves like this?

Streptococci pyogenes

streptococcus pneumoniae

staphlococcus aureus

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The viral replication cycle: A of the virus to to the host cell. Entering of the virus into the host cell. Ucoating of the virus. R of viral RNA or DNA into two strands. I of the viral DNA into the host cell's DNA. Production of the proteins coded for by the viral RNA or DNA upon replication of the host cell or protein synthesis. Assembly of the viral proteins into daughter viruses. R of the virus from the host cell.

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Factors promoting infection by bacteria

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What does the bacterium gonococci do in the body

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what is the complement cascade triggered by?

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tick which are true

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S. epidermis sticks to plastic, therefore heart valves and catheters.

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Virulence factors