A single tubular filament of a fungus is called a

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Study for the Virginia Commercial Applicator Turf Category 3B Exam. Use flashcards and multiple-choice questions with helpful hints and explanations. Prepare effectively for your exam!

Multiple Choice

A single tubular filament of a fungus is called a

Explanation:
In fungi, growth happens through threadlike units called hyphae. A single tubular filament of a fungus is exactly a hypha. Hyphae extend at their tips and can branch to form a network called the mycelium, which is how fungi colonize and spread through tissue. Some fungi develop a specialized feeding structure called a haustorium to penetrate host cells and extract nutrients, but that’s a different feature from a simple filament. Frass refers to insect excrement, not fungal structure, and “infest” describes being invaded by pests, not a filament. So the best name for one slender filament of a fungus is hypha.

In fungi, growth happens through threadlike units called hyphae. A single tubular filament of a fungus is exactly a hypha. Hyphae extend at their tips and can branch to form a network called the mycelium, which is how fungi colonize and spread through tissue. Some fungi develop a specialized feeding structure called a haustorium to penetrate host cells and extract nutrients, but that’s a different feature from a simple filament. Frass refers to insect excrement, not fungal structure, and “infest” describes being invaded by pests, not a filament. So the best name for one slender filament of a fungus is hypha.

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