Pathogens Flashcards

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1
Q

Identify the following pathogens

A

prions, viruses, bacteria, fungi, protists and parasites

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2
Q

Prions

A
  • A type of protein that triggers normal proteins in the brain to fold abnormally
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3
Q

Viruses

A
  • Depend on other cells to reproduce
  • Made up of DNA or RNA, coated with a protein shell
  • Some may have an external lipid membrane envelope
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4
Q

Bacteria

A
  • Prokaryotic
  • Cell wall
  • No nucleus or membrane bound organelles
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5
Q

Fungi

A
  • Eukaryotic organisms

- Secrete enzymes on host and externally digest food and then absorb nutrients

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6
Q

Protists

A
  • Eukaryotic organisms

- 24 species are pathogenic (most do not cause disease)

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7
Q

Parasites

A
  • Eukaryotic live on or in another

- Obtain nutrients at the expense of the host

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