Yeasts Are Unicellular Fungi That Do Not Produce Hyphae

question 67

Multiple Choice

Yeasts are unicellular fungi that do not produce hyphae. However, they are descended from a common ancestor that did produce hyphae. Which of the following statements explains why yeasts do not produce hyphae?

• A)Hyphae require many cells, so a unicellular organism is unable to produce hyphae.
• B)Yeasts grow in nutrient-rich environments, so they do not require hyphal growth to reach regions high in nutrients.
• C)Yeasts are descended from unicellular bacteria, and hyphal growth is not a characteristic of bacteria.
• D)Yeasts are representative of the earliest fungal lineages before hyphal growth evolved in the group.

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