RU BL 262 - Examination (4 pages)

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Examination



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Examination

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Pages:
4
School:
Regis University
Course:
Bl 262 - Principles of Biology - Organismic
Principles of Biology - Organismic Documents

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Name BIOLOGY 262 FALL 2005 IN CLASS EXAMINATION 2 PART 1 Date MULTIPLE CHOICE For the following multiple choice questions circle the letter in front of the response that best answers the question or completes the sentence 20 2 each 6 Which of the following traditional 1 Which of the following is an assumption Linnean taxonomic ranks is just above of scientific philosophy Class the next most inclusive taxon a Different events cannot have the a Genus same cause b Kingdom b Only experimental observations can c Order prove hypotheses to be true d Phylum c Senses never reflect reality e Species d The universe is ordered e None of the above None are assumptions 7 Which of the following is when a bacterium takes in DNA from the 2 In a population at Hardy Weinberg environment around the bacterium equilibrium if the frequency of AA is a binary fission 0 09 then what is the frequency of Aa b conjugation a 0 03 c transcription b 0 21 d transformation c 0 33 e None of the above d 0 49 e None of the above 3 As described in The Evolution Explosion Alexander Flemming Discovered the antibiotic penicillin by a conducting clinical trials b examining competition among soil bacteria c inadvertently curing a skin infection when working with penicillin d observing a mold inhibiting growth in a bacterium on a Petri dish 4 Death of small and large sparrows during storms as described in The Evolution Explosion is an example of a artificial selection b directional selection c disruptive selection d sexual selection e stabilizing selection 5 Which of the following is an assumption of the Hardy Weinberg theorem a genetic drift occurs b gene flow occurs c mutation occurs d natural selection occurs e random mating occurs 8 If a population of 1 000 is undergoing exponential growth with a yearly intrinsic rate of increase of 0 50 then what is the size of the population after 2 years a 500 b 750 c 1500 d 2000 e None of the above 9 If a population of 2 000 is undergoing logistic growth with a yearly



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