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Exam3_2010_V1 - NAME AuburnUSERID EXAM3 Version1...

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1 NAME:____________________________________ Auburn USER ID:_______________________ BIOL3200 General Microbiology EXAM 3 Version 1 I encourage you to mark the correct answer on this sheet in case of problems with your Scantron. THIS EXAM PAPER MUST BE TURNED IT AT THE CONCLUSION OF TODAY’S EXAM. In all cases only one answer will be correct. If in doubt choose the answer you feel is most correct!! 1. Natural transformation can be achieved when certain cells are in late log and early stationary phase. At this stage these cells are called a) Capable b) Competent c) Responsive d) Growth 2. DNA replication in prokaryotes is normally a) Coupled b) Bi‐directional c) Error prone d) A and B 3. RNA polymerase is required for 4. The fermentation product acetion is used for differentiating organisms. This test is called 5 . Mistakes in transcription have long lasting affects on the total population
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2 6. ATP produced during glycolysis is a result of a) Oxidative phosphorylation b) Substrate‐level phosphorylation c) Inorganic Pi addition by hydrolysis d) Both A and B 7. This organism is different to the wild‐type because it has a single base pair change in the ubr1 gene. This is a description of the organism’s _______________. 8. An organism is switched from a media containing low salt to a media containing very high salt. This change in osmotic pressure is an environmental stress that could lead to 9. Which of these features are important for DNA replication of a chromosome 10. ________________ is a metabolite and _______________ is the enzyme that makes it? a) Fumerate, Fumerate hydratase b) Fructose 1,6 bisphosphate aldolase, Succinate c) Fumerate hydratase, Malate d) Malate, Fumerate hydratase
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