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Questions and Answers
Which of the following accurately describes the cellular structure of hyphae in coenocytic fungi?
Which of the following accurately describes the cellular structure of hyphae in coenocytic fungi?
- Hyphae are segmented by cross walls, each containing a single nucleus.
- Hyphae contain perforated cross walls allowing for the transfer of organelles.
- Hyphae possess thick walls made of cellulose.
- Hyphae lack cross walls which results in a continuous cytoplasm with multiple nuclei. (correct)
If a researcher is studying a newly discovered fungus that obtains nutrients from decaying organic matter, how should this fungus be classified based on its nutritional mode?
If a researcher is studying a newly discovered fungus that obtains nutrients from decaying organic matter, how should this fungus be classified based on its nutritional mode?
- Mutualistic
- Saprophytic (correct)
- Parasitic
- Autotrophic
A scientist observes a fungus that reproduces through binary fission. What can be inferred about the cellular structure of this fungus?
A scientist observes a fungus that reproduces through binary fission. What can be inferred about the cellular structure of this fungus?
- It is unicellular. (correct)
- It is multicellular with specialized reproductive structures.
- It is multicellular and reproduces asexually.
- It is coenocytic.
Which term describes the vegetative body of a fungus, consisting of a mass of branched hyphae?
Which term describes the vegetative body of a fungus, consisting of a mass of branched hyphae?
Fungi are classified as which of the following regarding their cellular composition?
Fungi are classified as which of the following regarding their cellular composition?
How does the presence of chitin in fungal cell walls relate to the ecological role of fungi?
How does the presence of chitin in fungal cell walls relate to the ecological role of fungi?
A field biologist discovers a new species of fungi that forms a symbiotic relationship with plant roots, enhancing nutrient uptake for the plant while receiving carbohydrates in return. How should this interaction be classified?
A field biologist discovers a new species of fungi that forms a symbiotic relationship with plant roots, enhancing nutrient uptake for the plant while receiving carbohydrates in return. How should this interaction be classified?
Which of the following is true regarding reproduction in multicellular fungi?
Which of the following is true regarding reproduction in multicellular fungi?
What is the primary difference between rhizoids and sporangiophores?
What is the primary difference between rhizoids and sporangiophores?
What is the role of fungi that are parasitic?
What is the role of fungi that are parasitic?
Flashcards
What are hyphae?
What are hyphae?
A multicellular mass of branched filaments.
What is mycelium?
What is mycelium?
The vegetative body of a fungus; a thallus.
What are coenocytes?
What are coenocytes?
Fungi whose hyphae lack cross walls.
What is chitin?
What is chitin?
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Whats are saprophytes?
Whats are saprophytes?
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What is binary fission?
What is binary fission?
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What is asexual and sexual reproduction?
What is asexual and sexual reproduction?
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What is a heterotroph?
What is a heterotroph?
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Study Notes
- Fungi are typically multicellular organisms
- They consist of a mass of branched filaments known as hyphae
- The vegetative body of a fungus is called the mycelium
- Mycelium is considered a thallus
- There are three types of fungi: Runners, Rhizoids, and Sporangiophore
- Hyphae lack cross walls and are coenocytes
- Fungi are eukaryotic, with cell walls made of chitin
- Fungi are heterotrophic, with most being saprophytes that live off decaying matter
- Some fungi are parasites or mutualistic
- Unicellular fungi reproduce through binary fission
- Multicellular fungi can reproduce both asexually and sexually
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