Microbial Eukaryotes: Fungi and Protists
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Questions and Answers

What compound makes up the cell walls of fungi instead of peptidoglycan or cellulose?

  • Lipids
  • Ergosterols
  • Chitin (correct)
  • Glucan
  • Which type of fungi are known to cause disease in healthy individuals?

  • Penicillium
  • Saccharomyces cerevisiae
  • Aspergillus (correct)
  • Brewer's yeast
  • Which of the following forms intertwined filaments known as hyphae?

  • Mushrooms
  • Molds (correct)
  • Protozoans
  • Yeast
  • What is the economic importance of Ophiostoma ulmi and Fusarium oxysporum?

    <p>Cause Dutch Elm disease and affect bananas, respectively</p> Signup and view all the answers

    How do aerial hyphae contribute to fungal reproduction?

    <p>By producing spores</p> Signup and view all the answers

    What fungal species is known to cause corn smut?

    <p>Ustilago maydis</p> Signup and view all the answers

    Which of the following best describes the primary role of fungi in ecosystems?

    <p>Decomposing dead material</p> Signup and view all the answers

    What is the symbiotic relationship where fungi associate with photosynthetic microorganisms called?

    <p>Lichen</p> Signup and view all the answers

    What is a common characteristic of most vascular plants related to fungi?

    <p>They have mycorrhizal associations</p> Signup and view all the answers

    What is the main factor influencing the direction of growth of hyphae in fungi?

    <p>Chemosensory mechanisms</p> Signup and view all the answers

    How are protozoa defined based on the provided text?

    <p>Not fungi and unicellular eukaryotic heterotrophs</p> Signup and view all the answers

    Which type of fungi are unicellular and play a crucial role in fermentation processes?

    <p>Yeast</p> Signup and view all the answers

    How do molds typically reproduce asexually?

    <p>By forming conidia</p> Signup and view all the answers

    What is the main difference between conidia and sporangiospores in fungi reproduction?

    <p>One is held in conidiophores, the other in a sporangium</p> Signup and view all the answers

    In what way do yeasts reproduce?

    <p>By budding</p> Signup and view all the answers

    What do sexually reproducing fungi use to connect and fuse during reproduction?

    <ul> <li>and - hyphae</li> </ul> Signup and view all the answers

    Which type of fungi can exist in both asexual and sexual forms?

    <p>Molds</p> Signup and view all the answers

    What makes conidia and spores resistant to hot, arid conditions in fungi?

    <p>Formation from hyphae fragments</p> Signup and view all the answers

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