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Unformatted text preview: Name: UIN: Section: BIOL 351, Fundamentals of Microbiology, sections 901-905, 970, spring 2008 Instructor: Dr. James Golden and Dr. Deborah Bell-Pedersen Exam 4 40 multiple-choice questions May 7, 2008, 1:00 3:00 PM FORM "B" Turn off your phone. NOTES: 1. Before the exam has begun, ALL of your belongings, including phones and calculators should be closed and put away under your desk. The only item you need during the exam is a #2 pencil. You will need your student ID when you turn in your exam. 2. Keep your answers covered as much as possible during the exam. Allowing others to see your answers is cheating. 3. If you have questions during the exam, raise your hand. For reasons of fairness, questions can only be answered if the information or correction needs to be announced to the entire class. The proctors cannot define words or "help you understand" a question. 4. When finished with the exam, turn in the signed scantron form and exam questions at the front of the room and show your student ID; then leave quietly. 5. The answer key will NOT be posted on Vista. 6. The 4 th exam score, all other scores, and your final grade will be posted on Vista by Friday. INSTRUCTIONS: Use a #2 pencil to completely darken bubble fields. Erasures must be complete. 1. Fill and bubble in your " TEST FORM " as A, B, or C . 2. Fill and bubble in your LAST and FIRST NAME . 3. Fill and bubble in your UIN (in the section for Social Security Number, if so labeled). Do NOT fill in with your SSN. 4. Fill and bubble in DEPT. and COURSE NO. with BIOL 351 . 5. Fill in your section number, if you know it (helpful, but not required). 6. Sign your name on the scantron form to affirm your identity and that your answers represent your own work and knowledge. ---Always Choose the BEST Answer--- 1) Which of the following is true for a microorganism that is a chemolithoautotroph? A) it gets its energy from the sun B) its energy, carbon, and electrons are all obtained from organic compounds C) the carbon in its proteins came from food molecules originally produced by plants D) the carbon in its DNA came from carbon dioxide in the air E) it is a saprophyte 2) Many microorganisms produce all of their amino acids themselves. Which of the following is NOT a source of the substrates used to make the 20 different amino acids? A) pentose phosphate pathway B) peptidoglycan synthesis C) glycolysis D) TCA cycle E) none of the above is the correct answer 3) Where do the sugars present in peptidoglycan come from in an autotroph? A) from dead organic matter in soil B) from the Fxation of CO 2 C) from gluconeogenesis D) both B & C E) none of the above 4) If substrate A is converted to a Fnal product by 5 enzymatic steps, then which of these steps is most likely to be inhibited by under conditions when the cell has all the product that it needs?...
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This note was uploaded on 01/30/2010 for the course BIMM bimm 120 taught by Professor Larsen during the Winter '07 term at UCSD.
- Winter '07