Fungi

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Author:
Shira
ID:
283636
Filename:
Fungi
Updated:
2014-09-20 22:08:36
Tags:
Microbiology
Folders:
Microbiology
Description:
Terms/ideas pertaining to Fungi
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  1. What are the basic characteristics of fungi?
    • Tough cell walls (chitin or cellulose)
    • Multicellular
    • Most need air (except yeast)
    • Can grow in dry conditions though it isn't always preferred
    • Often do well at lower pH than bacteria or other organisms
    • Are food or used to make food
    • Some are PATHOGENIC
  2. Nearly all plants depend on symbiotic fungi, known as _?_, which help their roots absorb minerals and water from the soil.
    Mycorrhizae
  3. _?_ are nonfilamentous, unicellular fungi that are typically spherical or oval.
    Yeasts
  4. The visible body of a fungus is called a _?_.
    Thallus
  5. The thallus consists of long filaments of cells joined together called _?_.
    Hyphae
  6. What is the role of hyphae?
    To produce spores
  7. A mass of hyphae is known as _?_.
    Mycelium
  8. What scientist discovered the mold penicillium?
    Alexander Fleming
  9. What are the three main groups of fungi?
    • Ascomycetes
    • Zygomycetes
    • Basidiomycetes
  10. What group of fungi is known as the "sac fungi" and have spores that form like beads on a chain?
    Ascomycetes
  11. What group of fungi has spores produced in round structures that stand on stalks?
    Zygomycetes
  12. _?_ include but, rusts, and smuts, have a highly visible thallus which contains a basidiocarp.
    Basidiomycetes
  13. What is the so-called "imperfect fungi"?
    Deuteromycetes
  14. _?_ is a disease caused by a fungus.
    Mycosis
  15. What are systemic mycoses?
    Diseases caused by fungi that live in soil and can also affect major organs and systems.
  16. What are cutaneous mycoses?
    Diseases common in tropical areas and can degrade keratin and live in skin cells, hair shafts and nails.
  17. _?_ is a fungus that causes a cutaneous mycosis.
    Dermatophyte
  18. _?_ causes an infection of skin, hair or nails.
    Tinea
  19. What is the genus name for the disease that causes "ringworm" of the scalp?
    Tinea capitus
  20. What is an opportunistic pathogen?
    A microorganism that does not ordinarily cause a disease but can become pathogenic under certain circumstances.
  21. Some fungi, most notably the pathogenic species, exhibit _?_ or two forms of growth (mold or yeast).
    Dimorphism
  22. What is the genus name for the dimorphic fungus belonging to the fungi group, Ascomycetes that mimics TB and is spread by bird guano?
    Histoplasma capsulatum
  23. What is the genus name for the dimorphic fungus belonging to the fungi group, Ascomycetes that infects the lungs and is also known as the "desert" disease?
    Coccidioides
  24. What is the genus name for the dimorphic fungus belonging to the fungi group, Basidiomycetes that infects lungs, can spread to brain and can be spread by bird guano?
    Cryptococcus
  25. What is the genus name for the dimorphic fungus belonging to the fungi group, Ascomycetes that resembles a protozoan and infects lungs?
  26. What is the genus name for the dimorphic fungus belonging to the fungi group, Ascomycetes that can lead to oral thrush (common symptom in patients with AIDS) and a yeast infection?
    Candida albicans
  27. What is the genus name for the dimorphic fungus belonging to the fungi group, Ascomycetes that normally grows on cellulose of dead plants but can also be found in water-damaged walls of homes?
    Stachybotrys
  28. What is the genus name for the dimorphic fungus belonging to the fungi group, Zygomycetes that is the cause of bread mold?
    Rhizopus
  29. What are some economic effects of fungi?
    • Saccharomyces in beer, wine, bread
    • Production of enzymes
    • Drugs: Taxomyces produces taxol; Penicillium produces antibiotic penicillin
    • Control of pests
    • Destruction of crops
  30. _?_ is a combination of fungus and algae or cyanobacteria, usually an ascomycete and can colonize barren rocky environments.
    Lichen

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