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50 Cards in this Set
- Front
- Back
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What is mycology?
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Study of fungi (yeast & molds)
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What are the 4 classes fungi are separted into?
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1. Zygomycetes
2. Ascomycetes 3. Basidiomycetes 4. Deuteromycetes |
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What are the 3 types of molds within the Zygomyctes class?
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1. Water
2. Bread 3. Terresterial |
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Describe the reproductive spores of the Zygomyctes class.
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External & uncovered
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What type of fungi are in the Ascomycetes class?
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Yeast & Mold
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What are the sexual spores of the Ascomycetes class called?
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Ascospores
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What is the saclike structure that contains ascospores called?
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Ascus
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What type of fungi are under the Basidiomycetes class?
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Fleshy fungi, toadstools, mushrooms, puffballs, and bracket fungi.
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What are the specialized stalks called that contain basidiospores?
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Basidia
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What is another name for the Deuteromycetes class?
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Fungi Imperfecti
Why: because no sexual reproductive phase has been observed |
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What type of "trophic" are fungi?
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Heterotrophic
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Are fungi eukaryotic or prokaryotic?
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Eukarytoic
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To what industrial importance are fungi for?
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Producing beer and wine, bakery products, cheeses, industrial enzymes, and antibiotics.
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What does superficial mycoses infect?
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Skin, hair, and nails
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Name a superficial mycosis infection.
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Ringworm
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What does systemic mycoses infect?
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Sub Q and deeper tissues
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What type mycelium does zygomycetes have?
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Nonseptate; the rest is septate
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Which class does have sepate mycelium?
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Ascomycetes
Basidiomycetes Deuteromycetes |
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What type of asexual spores do Zygomycetes have?
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Sporangiospores(non-motile) and zoospores(motile)
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What type of sexual spores do Zygomycetes have?
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Terrestrial form: zygospores
Aquatic form: oospores |
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What are common species of Zygomycetes?
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1. Bread molds
2. Mildews 3. Potato blight 4. Rhizopus sp. |
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What is the sac that contains the asexual spores of Zygomycetes?
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Sporangium
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What is the stalk called that contains the asexual spores on its' tip called?
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Conidiophore
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What type of asexual spores do Ascomycetes have?
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Conidiospores (non-motile)
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What type of sexual spores do Ascomycetes have?
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Ascospores
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Where is Ascospores contained in?
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Ascus
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What are the common species of Ascomycetes?
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1. Cup fungi
2. Ergot, 3. Dutch elm 4. Yeast sp. |
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What type of Mycelium are basidomycetes?
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Septate
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What type of asexual spores do basidomycetes have?
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Conidiospores (non-motile)
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What type of sexual spores do basidomycetes have?
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Basidiospores
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Basidiospores are held on the tip of what?
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Basidium
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What are some common species of basidomycetes?
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1. Smuts
2. Rusts 3. Puffballs 4. Toadstools 5. Mushrooms |
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What type of mycelium are Deuteromycetes?
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Septate
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What type of asexual spores do Deuteromycetes have?
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Conidiospores (non-motile)
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What type of sexual spores do Deuteromycetes have?
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Fungi imperfecti - no sexual reproduction
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Besides Deuteromycetes, what memebers of what other classes can be fungi imperfecti?
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Ascomycetes & Basidiomycetes
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What are some common species of Deuteromycetes?
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1. Aspergillus
2. Candida trichophyton 3. Cryptococcus 4. Blastomyces 5. Histoplasma 6. Microsporum 7. Sporothrix |
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A group of hyphae is called what?
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Mycelium
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The filaments of Mycelium are composed of what?
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Hyphae
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What is a vegetative mycelium?
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Mat that grows on or in the surface of the nutrient medium so that it can extract nutrients.
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What is it called when mycelium mat rises upward from the mat?
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Aerial mycelium
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Mold cultivation requires what 2 types of agar?
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Sabouraud & potato dextrose agar
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Why do mold prefer to grow on Sabouraud and/or potato dextrose agar?
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Low acidity (pH 4.5-5.6)
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What temp does mold best grow in?
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Room temp of 25 C
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True or False:
Molds grow at slower rate than bacteria. |
True - several days to weeks b4 visible colonies
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What type of mold species grows on rotting citrus fruits?
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Penicillium sp. (blue-green color)
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What type of mold species grows on stale cheese?
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Mucor sp. (grayish white color)
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What type of mold species grows on bread?
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Rhizopus (black)
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What 3 types of molds were used to observe in lab?
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1. Penicillum
2. Aspergillus 3. Rhizopus |
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What power was used to look at the mold under the microscope?
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Low and High
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