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Micro Exam 1
Micro 2
| Question | Answer |
|---|---|
| Which Ribosmal DNA is used to identify fungi | 18S/26S |
| Which factors predispose animal to fungal infection | Immunosupression, trauma to tissue, prolonged antibiotic treatment, persistent moisture/ poor ventilation |
| Difference between mold and yeast | yeast is round w/ budding cells, mold is filamentous w/ hyphae |
| What are the main components of fungi cell membrane? | Ergosterol and chitin |
| What are the different forms of yeast | Encapsulated, germ tubes, and pseudohyphae |
| Dimorphic fungi | temperature dependent that can switch between yeast and mold. |
| Hypha | Long strands of cells +/- septa |
| Sporangiospore | In sporangium, releases spores |
| Sporangiophore | the stalk of spore |
| Conidia | Open, not enclosed with vesicle, metula and phialide |
| Macroconidia | Cigar shaped |
| Microcondidia | Grape like clusters |
| Which condia is best for identification | Macroconidia |
| Trichophyton | Macroconidia with long cigar shape |
| Microsporum | Macroconidia with filiform shape, long nose |
| Blastoconidia | Budding yeast |
| Candida | Blastoconidia |
| Arthroconidia | Barrel shaped condida |
| Coccidiodes immitis | Arthrocondida |