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Exam+2+--+Spring+2006+--+Blank - Bio 305 Spring 2006 Exam...

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Bio. 305 Spring 2006 Exam II: Form A Name____________ 1 Genetics 305 Section (circle one): Yang Myungwon Jennifer Matthew Exam II: FORM A Spring 2006, June 1st ID# : __________________________ Please put your name on the top of all exam pages, including this page. Each question has one most correct answer. You may use a pencil when working on the exam, but all final answers must be marked on this front page in pen . Part I: Multiple Choice – 90 points Circle the correct answer for each question. 1 a b c d e 11 a b c d e 21 a b c d e 2 a b c d e 12 a b c d e 22 a b c d e 3 a b c d e 13 a b c d e 23 a b c d e 4 a b c d e 14 a b c d e 24 a b c d e 5 a b c d e 15 a b c d e 25 a b c d e 6 a b c d e 16 a b c d e 26 a b c d e 7 a b c d e 17 a b c d e 27 a b c d e 8 a b c d e 18 a b c d e 28 a b c d e 9 a b c d e 19 a b c d e 29 a b c d e 10 a b c d e 20 a b c d e 30 a b c d e Part II: True or False – 10 points 1 T F 3 T F 5 T F 7 T F 9 T F 2 T F 4 T F 6 T F 8 T F 10 T F If you feel some questions or answers warrant more lengthy comment, please mark the test pages and then indicate on this page which questions we should look over: Please check questions : _____________________________________________________ When you are finished, submit both the answer sheet and your exam.
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Bio. 305 Spring 2006 Exam II: Form A Name____________ 2 Part 1: Multiple Choices-Choose ONE best answer (30 x 3pt) 1. What statement is FALSE regarding Griffith’s 1928 experiment on Pneumococcus bacteria? a. Smooth Pneumococcus cells contain a capsule around the cell wall, whereas rough cells do not. b. Mice infected with a live R strain live, whereas mice infected with a live S strain die. c. If a live R strain is mixed with heat-killed S cells and injected into mice, the mice will die. d. Griffith used the Type II-R and Type III-S strains for his experiment and he isolated the Type II-S from dead mice since the Type II-R strain had mutated to Type II-S. e. Smooth cells are virulent, while rough cells are avirulent. 2. Which of the following is FALSE about DNA replication in prokaryotes and eukaryotes? a. The rate of DNA replication is equal in prokaryotes and eukaryotes. b. Prokaryotic replication is bi-directional. c. Eukaryotic replication uses multiple origins of replication. d. DNA polymerases in both prokaryotes and eukaryotes need a 3’-OH end to elongate the DNA chain. e. Prokaryotes form theta structures during replication. 3. Using the table given below, which sample most likely represents nucleic acid isolated from φ X174 phage, MS2 phage, and yeast, respectively? φ X174 phage MS2 phage Yeast TABLE 1 Nucleic acid sample % A % G % C % T % U A 25 30 25 20 0 B 15 35 35 0 15 C 27 23 37 0 23 D 30 20 20 30 0 E 25 25 25 0 25
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Bio. 305 Spring 2006 Exam II: Form A Name____________ 3
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