Fungi- Bio 1108 Questions with Complete Solutions

How do fungi use absorptive heterotrophy? Correct Answer-Fungi secrete hydrolytic enzymes into their surrounds that break down complex molecules to smaller organic compounds that the fungi can absorb into their bodies and use. Other types of fungi use enzymes to penetrate the walls of cells, enabling the fungi to absorb nutrients from the cells. What are hyphae? Correct Answer-Multicellular fungi typically form a network of tiny filaments called hyphae. Hyphae consist of tubular cell walls surrounding the plasma membrane and cytoplasm of the cells What is chitin? Correct Answer-Chitin is a strong, but flexible polysaccharide that strengthens the cell walls of fungi What is a mycelium? Correct Answer-A mycelium is an interwoven mass formed by fungal hyphae, mycelium penetrates the material on which the fungus feeds. The structure of a mycelium maximizes its surface-to-volume ratio, making feeding very efficient. What is Mycorrhizae? Correct Answer-A mutually beneficial relationship between fungi and plants. What are specialized hyphae that allow fungi to have a mutually beneficial relationship with plants called? Correct Answer-haustoria, these are used by fungi to extract nutrients from, or exchange nutrients with, their plant hosts