BISC120_FinalExam_Fall05_page2 - Name TA 6 Molecular...

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Unformatted text preview: Name TA 6. Molecular homologies are best recognized by A) phylogenetic trees. 8) alignment of DNA sequences. C) gene duplications. D) gene diversity. E) none of the above. 7'. The xylem in plants A) forms the bark on trees. B) conducts water and minerals through sieve tubes. C) evolved to anchor the plants. D) are characteristic of mosses. E) none of the above. 8. Which of the following is not characteristic of fungi? A) hyphae that form a mycelium B) occurring as ecto- or endo- myc'orrhizae C) reproduce asexually by spores and budding D) occur as crustose, foliose; and fTuticose growth forms E) none of the above 9. Viruses are not characterized by which of the following? A) reproduce only within host cells B) have capsids of capsomeres C) contain RNA or DNA D) have a lock and key molecular attachment to the host cell E) have operons that promote the formation of genes 10. Methanogens A) use 002 and Hz to produce CH4. B) reproduce by the union of gametes. C) are created by phot'oheterotrophs. D) result from the conversion of N2 to NHg. E) none of the above. 11. Nitrifying bacteria convert NH.) to A) CH... B) C02. 0) 502. o) N02. E) P04. 12. Both chloroplasts and mitochondria A) are found within the nucleus. B) have linear DNA. C) carry extranuclear genes. D) are inherited from both parents. E) display a Mendelian pattern of inheritance. Tntal nnints this. name ...
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