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Questions and Answers
What is the structure of yeasts?
What is the structure of yeasts?
- Multicellular filaments
- Unicellular spheres or ovals (correct)
- Long hyphae with mycelium
- Chains of spores
Where are most human pathogens located among fungi?
Where are most human pathogens located among fungi?
- Multicellular fungi
- Molds
- Yeasts
- Dimorphic (correct)
What predisposes someone to an opportunistic mycosis?
What predisposes someone to an opportunistic mycosis?
- Geographical location, climate, gender, education level
- Genetic factors, environmental factors, dietary factors, age
- Vaccination history, exercise habits, blood type, occupation
- Medical procedures, medical therapies, preexisting conditions, lifestyle factors (correct)
Why are fungal infections sometimes difficult to treat?
Why are fungal infections sometimes difficult to treat?
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How are fungal spores different from bacterial spores?
How are fungal spores different from bacterial spores?
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Study Notes
Yeast Structure
- Yeasts are single-celled fungi
- They reproduce by budding, where a small outgrowth forms on the parent cell and separates
Human Pathogens
- Most human pathogens are located within the Ascomycota phylum
- Ascomycota are known for their characteristic sac-like structures called asci
Opportunistic Mycosis
- Opportunistic mycoses occur when fungi take advantage of a weakened immune system
- Factors that predispose individuals include:
- HIV/AIDS
- Organ transplantation
- Cancer treatments
- Prolonged antibiotic therapy
- Diabetes
Fungal Infection Treatment
- Fungal infections are sometimes difficult to treat due to:
- Fungi being eukaryotic organisms
- Antifungal drugs often target eukaryotic structures found in human cells as well
Fungal vs. Bacterial Spores
- Bacterial spores are dormant, highly resistant structures that allow bacteria to survive harsh conditions.
- Fungal spores, on the other hand, are reproductive structures, capable of germinating and producing new fungi.
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Description
Test your knowledge of fungi in microbiology with this exam review quiz. Learn about the differences in structure between molds, yeasts, and dimorphic fungi, as well as the location of most human pathogens. This quiz covers topics such as yeast reproduction, pseudohyphae production, and the characteristics of molds and dimorphic fungi.
