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34 Cards in this Set
- Front
- Back
Fungi:
-Kingdom -Nutritional Type -Multicellularity -Cellular Arrangement -Food Acquisition Method -Characteristic Features -Embryo Formation |
-Fungi
-Chemoheterotroph -All, except yeasts -Unicellular, filamentous, fleshy -Absorptive -Sexual and asexual spores -None |
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Mycology
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Study of fungi
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Thallus
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Vegetative structure of fungi, lichens, or algae
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Hyphae
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Long, filamentous cells in fungi
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Mycelium
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Mass of hyphae, branched and intertwined (typical of molds)
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Yeast
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Non-filamentous, unicellular fungi
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Fission yeasts
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divide symmetrically
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Budding yeasts
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divide asymmetrically
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Dimorphic Fungi
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Yeastlike at 37°C and moldlike at 25°C
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Pseudohyphae
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Buds that do not separate from the mother cell
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Fungi Reproduction
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Sexual (main method) and asexual through the formation of spores
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Asexual spores
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Formed by the hyphae, and become genetically identical to the parent after germination
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Sexual spores
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Fusion of nuclei from two opposite mating strains
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Two types of asexual spores
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Conidiospore
Sproangiospore |
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Conidiospore (conidia)
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Not enclosed in a sac, produced in a chain at the end of a conidiophore
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3 types of Conidia
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Arthroconidia
Blastoconidia Chlamydoconidia |
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Arthroconidia
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formed by the fragmentation of a septate hypha into single thickened cells
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Blastoconidia
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buds come off of the parent cell
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Chlamydoconidium
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Thick-walled spore formed by rounding and enlargement within hyphae
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Sporangiospore
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Formed withing sporangium (sac), at the end of an areal hypha (a sporangiophore)
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3 Phases of Sexual Reproduction
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Plasmogamy
Karyogamy Meiosis |
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Plasogamy
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Haploid nucleus of donor cell (+) penetrates recipient's cytoplasm (-)
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Karyogamy
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(+) and (-) nuclei fuse to form diploid zygote nucleus
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Meiosis
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Diploid nucleus --> Haploid nuclei
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Fungi Adaptations
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-Grow in acidic, dryer, aerobic environments
-metabolize complex carbohydrates |
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Sexual Spores
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-Zygospore
-Ascospore -Basidiospore |
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Ascospore
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formed in a sac
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Zygospore
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spore in a thick wall, formed by fusion of haploid cells
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Basidiospore
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Formed on a pedestal
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Rhizopus Life Cycle
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Zygomycete
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Talaromyces Life Cycle
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Ascomycete
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Life Cycle Basidiomycete
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Basidiomycete
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Teleomorphic Fungi
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Produce sexual and asexual spores
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Anamorphic Fungi
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Produce asexual spores only
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