All fungi have tiny tube-like structures call hyphae. One is labeled within the collection. What do you think these structures do for the fungi? Solution Answer: Hyphae is a long, branching, filamentous structure of a fungus, it contain the cytoplasm or cell sap, including the nuclei containing genetic material. -absorb nutrients from the environment and transport them to other parts of the thallus - hyphae represents the vegetative stage of fungi..