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Bio II Chap 20 Rvw
Biology II Chapter 20 Short Answer
| Question | Answer |
|---|---|
| Explain the 2 types of hyphae that fungi can have. | Septate (hyphae divided by cross-walls into cells by septa) and aseptate (hyphae without septa, allowing nutrients to flow freely and quickly). |
| Name/Explain the 3 ways that fungi can obtain food. | 1. Saprophytic; feeding on dead organisms (decomposers) 2. Parasitic; absorb nutrients from the living cells of another host. 3. Mutualistic; receives food from host, and the host benefits from the fungi. |
| What types of foods do we get from the kingdom fungi? | Mushrooms, yeast for bread, and truffles. |
| What are 3 helpful characteristics found in the fungus Claviceps purpurea? | Reduction of high blood pressure, controlling excessive bleeding, and treating migraine headaches. |
| What is cyclosporine (from Tolypocladium inflatum) used for? | It is given to organ transplant patients to keep their bodies from rejecting the new organ. |
| Give 3 harmful effects of fungi. | 1. Attacks trees, crops, and gardens 2. Infects insects like butterflies and moths 3. Causes disease/infection |
| What do lichens need to grow? Where are they found? | Lichens need only air, light, and minerals and they are found in harsh conditions. |
| How do both organisms benefit that are found in a mycorrhizal relationship? | The fungus absorbs & concentrates minerals for the plant, the hyphae increase the plant's root surface area for absorption, and the fungus receives cabs and amino acids from the plant. |
Created by:
itscourtneym
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