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mod 4 biology test
biology 4 test
| Question | Answer |
|---|---|
| extracellular digestion | Digestion that takes place outside of the cell |
| rhizoid hypha | A hypha that is imbedded in the material on which the fungus grows |
| stolon | An aerial hypha that asexually reproduces to make more filaments |
| fermentation | The anaerobic breakdown of sugars into smaller molecules |
| hypha | 3. A filament of fungal cells |
| if a fungus forms haustoria, is it saprophytic or parasitic | parasitic |
| what kind of hypha exist in all multicellular fungi | rhizoid hyphae embed themselves into the material and is the main part of the hypha |
| chitin | A chemical that provides both toughness and flexibility |
| which hyphae are aerial? | stolon and sporophore |
| basidiomycota | form their spores on basidia |
| ascomycota | form their spores in sac-like structures called asci |
| zygomycota | contains fungi that make it spores called zygospores in small structures that are formed where hyphae fuse |
| chytridiomycota | involve spores that have flagella and can therefore move on their own |
| deuteromycota | fungi that have reproduction methods that are not completely characterized |
| myxomycota | fungi that contain slime molds that resemble protozoa |
| where are the basidia on a mushroom. | the basidia are on the gills of the mushroom |
| how do bread molds reproduce - know all three | sexually when hypha fuse to form zygospore that mature into another fungus; Asexually when stolen lengthen and form new mycelium; and asexually by producing sporangia that release spores |
| know a few of the pathogenic fungi and the maladies they cause | rust cause crop damage, ergot of rye can cause death, smut causes crop damage |
| what are two major forms of mutualism in which fungi participate and describe the relationship | Lichens help alga by support and protection while the alga produces food for the fungi. Mycorrhizae help fungus by allowing it to absorb nutrients while the fungus in return gives the plants needed chemicals, called minerals |
| name the genus of the fungus that produces penicillin. What is the general name for these medicines? | Penicillium. The general name is antibiotic |
| how is budding different from the asexual reproduction in bacteria? | the offspring are attached to its parent until it grows in budding. Yeast use this form of reproduction. In asexual reproduction, the offspring grow without help from the parent. |
| when a slime mold is in its feeding stage, it resembles organisms from what kingdom? When its in its reproduction stage what kingdom does it resemble? | while feeding, it resembles kingdom Protista and while reproducing it resembles Fungi. Reproduction is most important and therefore why it is classified as a fungus. |
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libbykaly
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