Chapter_31 - Biology, 7e (Campbell) Chapter 31: Fungi 1)...

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Biology, 7e (Campbell) Chapter 31: Fungi 1) Which of the following do all fungi have in common? A) meiosis in basidia B) coenocytic hyphae C) sexual life cycle D) absorption of nutrients E) symbioses with algae 2) If all saprobic fungi in an environment were to suddenly die, which group of organisms should benefit as a whole? A) plants B) protists C) prokaryotes D) animals E) mutualistic fungi 3) When a mycelium infiltrates an unexploited source of dead organic matter, what are most likely to appear within the food source soon thereafter? A) haustoria B) soredia C) exoenzymes D) increased oxygen levels E) larger bacterial populations 4) Which of the following is not a characteristic of fungi featuring hyphae? A) They acquire their nutrients by absorption. B) Their cell walls consist mainly of cellulose microfibrils. C) Their body plan is a netlike mass of filaments called a mycelium. D) They may be saprobes, parasites, or mutualistic symbionts. E) The nuclei of the mycelia are typically haploid. 5) What is the primary role of a mushroom's underground mycelium? A) absorbing nutrients B) anchoring C) sexual reproduction D) asexual reproduction E) protection 6) What do fungi and arthropods (like insects) have in common? A) Both groups are commonly coenocytic. B) The haploid state is dominant in both groups. C) Both groups are predominantly saprobic in nutrition. D) The protective coats of both groups are made of chitin. E) Both groups have cell walls. 7) In septate fungi, what structures allow cytoplasmic streaming to distribute needed nutrients, synthesized compounds, and organelles throughout the hyphae? A) chitinous layers in cell walls B) pores in septal walls C) complex microtubular cytoskeletons D) two nuclei
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E) tight junctions that form in septal walls between cells
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8) Consider two hyphae having equal dimensions: one from a septate species and the other from a coenocytic species. Compared with the septate species, the coenocytic species should have A) more nuclei. B) more pores. C) more chitin. D) less cytoplasm. E) reduced cytoplasmic streaming. 9) Which of the following terms is not properly associated with the fungi as a kingdom? A) decomposers
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This note was uploaded on 02/27/2009 for the course SC 424111 taught by Professor Various during the Winter '08 term at Kasetsart University.

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Chapter_31 - Biology, 7e (Campbell) Chapter 31: Fungi 1)...

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