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Related Flashcards
Cards In This Set
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Some fungi are single-celled, but most form _______ bodies.
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Multicellular
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Breaking down organic materials, recycling nutrients, helping roots absorb nutrients from the soil and making antibiotics are all ____________.
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Ways fungi help the environment.
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Fungi are ___________, but instead of digesting their food they ___________ it.
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Heterotrophs; absorb
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The hydrolytic enzymes that fungi secrete into their surroundings to break down complex molecules so they can absorb them are called ____________.
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Exoenzymes
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Fungi that break down and absorb nutrients from non-living organic materials are know as ___________.
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Sparobic Fungi
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Fungi that absorb nutrients from their living hosts are know as ________.
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Parasitic Fungi
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Fungi that absorb nutrients from a host organism, but also reciprocate and give some benefit to the host are called _____________.
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Mutualistic Fungi
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The body of fungi is made up of a network of tiny filaments called __________.
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Hyphae (hy-fee)
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Hyphae are composed of ________ ____ ______ that surround the plasma membrane and cytoplasm of cells.
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Tubular Cell Walls
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The cell walls of fungi contain ________ a strong but flexible nitrogen containing polysaccharide.
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Chitin (kite-in) (also found in cell walls of insects and other
arthropods) |
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Hyphae form an interwoven mass called _______ that surrounds and infiltrates the material on which the fungus feeds.
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Mycelium (my-seal-e-um)
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Mycelium maximize the _________ ratio in the fungus and grows as proteins and materials are channeled through cytoplasmic streaming to the tips of the extending hyphae.
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Surface Area to Volume Ratio
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Mycelia lack motility, but they make up for it by _______.
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Extending the tips of its hyphae into new territory
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Hyphae are divided into cells by cross walls or ______.
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Septa
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Fungi that lack septa and are continuous masses with multiple nuclei are called __________.
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Coenocytic Fungi (see-no-cytic)
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