CHAPTER 26

CHAPTER 26 - CHAPTER 26 KINGDOM FUNGI CHARACTERISTICS OF...

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CHAPTER 26 KINGDOM FUNGI CHARACTERISTICS OF FUNGI Fungi o Eukaryotes o Contain membrane enclosed nuclei, mitochondria, and other membranous organelles Fungi absorb food from the environment Fungi have cell walls that contain chitin Chitin o Polymer that consists of subunits of a nitrogen-containing sugar Most fungi have a filamentous body plan Mycologists o Biologists who study fungi Yeasts o Simplest fungi o Unicellular, with a round or oval shape Molds o Most fungi o Nonreproductive body Hyphae o Long, branched, threadlike filaments Mycelium o Tangled mass or tissue-like aggregation Septa o Divides hyphae into individual cells containing one or more nuclei Coenocytic o One elongated, multinucleated, giant cell Fungi reproduce by spores Spores o Reproductive cells that can develop into new organisms Sporangia o Structures in which spores are produced Fruiting bodies o Large, complex reproductive structures Many fungi reproduce asexually Condiophores o Specialized hyphae that produce asexual spores
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Conidia o Asexual spores Most fungi reproduce sexually Plasmogamy o Process in which the hyphae of two genetically compatible mating types come together and their cytoplasm fuses Karyogamy o Process by which two haploid nuclei fuse Zygote nucleus o Diploid nucleus formed by karyogamy
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CHAPTER 26 - CHAPTER 26 KINGDOM FUNGI CHARACTERISTICS OF...

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