Fungi Flashcards

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FUNGI
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Candida albicans - wikimedia commons

Fungi

Question Answer Article
What is mycology?
  • The study of fungi
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What is the function of the cell membrane?
  • First line of defence preventing toxic materials entering the cell
  • Important in the degredation of extra-cellular nutrients
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Which substances are stored in the cytoplasm in granules?
  • Fats
  • Glycogen
  • Protein
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What are the main characteristics of filamentous fungi?
  • Branching hyphae
  • Hyphae grow to form a mycelium
  • Aerial hyphae produce conidiospores and sporangiospores
  • Conidia are also produced which are asexual spores
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What are the main characteristics of dimorphic fungi?
  • Develop into a mycelium or another form depending on environmental conditions
  • Yeast-like parasitic phase
  • Mycelial saphrophytic phase
  • Show phenotypic duality
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How would you recognise yeast cells?
  • Oval or round in shape
  • 3µm to 5µm in diameter
  • Reproduce by budding
  • Yeasts can assimilate sugar and nitrogen and ferment various sugar compounds
  • Can produce pseudohyphae
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What are the three types of fungal spore produced?
  • Sexual
  • Asexual
  • Vegetative
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Fill in the missing words about immunity to fungal infections Cutaneous and superficial fungal infections are normally self-limiting with recovery associated with a resistance to re-infection. As hosts often develop delayed-type hypersensitivity this resistance appears to be cell-mediated. Link to Answer Article