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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie



Jade Quarrie
February 2012




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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

Bacteria
Bacteria belong to the kingdom Prokaryotae. Their cells are smaller than our cells, but
they can reproduce rapidly. In the right conditions, some types of bacteria can
reproduce every 20 minutes or so. Once in the human body, they…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

Species Name: Mycobacterium tuberculosis Type of Microbe: Bacteria

How it spreads: TB is spreads after a contagious person coughs. Risk for infection is
greatest for people who spend long periods of time in closed environments with other
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infected persons.…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

days. Addition of drying agents, such as Burow's solution (aluminium acetate), can
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assist in healing.

Ringworm is caused when the fungi attaches and grows on
keratin-containing cells, such as those found in the skin, near the hair
and fingernails.…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

introduced into other plants when those come in contact with this sap. Sucking
insects such as aphids do not spread TMV. The virus particles are found in all parts of
the plant except the few cells at the tips of…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

lead to death. While there is no cure for HIV, medications are available that interferes
with virus replication, which in turn helps preserve the health and function of the
immune system. A healthy immune system is able to fight off…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie

Malaria is an infection caused by single-celled parasites that enter the blood
through the bite of an Anopheles mosquito. These parasites, called plasmodia, belong
to at least five species. Most human infections are caused by either Plasmodium
falciparum or Plasmodium…

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Biology Assignment ­ Organisms that cause infectious disease
Jade Quarrie











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