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12 Cards in this Set
- Front
- Back
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Explain the diff in meaning of heterotroph and saprobe.
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All fungi are heterotrophs meaning they use preformed (living dead) organic material nutritionally. Saprobes are fungi that require their nutrients to come specifically from dead organic material.
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List an important nonmedical role of fungi.
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Fungi break down organic material into forms that are reusable by other living things.
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Define buds.
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Buds are round cells that grow on the side of the mother cell until they are ready to divide as new cells
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Hyphae (define)
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long chains of connected cells
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Mycelia (define)
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fuzzy masses of hyphae
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Yeast (appearance)
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single round cells
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Molds (appearance)
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grow in long chains
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Mushrooms (appearance)
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Often seen or dead on decaying organic material. They have a slender stem and a rounded head with spores on top of it.
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How do septate and aseptate hyphae differ?
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Septate hyphae have cross-walls separating individual cells. Aseptate hyphae lack cross-walls.
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what is the main function of fungal spores?
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Spores allow widespread dissemination of the organisms
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What is the composition of fungal cell walls?
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Fungal cells walls are composed of the polysaccharide chitin.
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What is the major lipid of fungi that is usually not present in prokaryotic or human cells?
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The major lipid of fungi is ergosterol.
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