exam1_typeA_key - CH369 Exam 1 (version 1) . Jan 29, 2008...

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Unformatted text preview: CH369 Exam 1 (version 1) . Jan 29, 2008 Name: __________________________ UTEID: ____________________________ Instruction: 1. Please bubble in your name, UTEID, and the version number of your exam on the scantron sheet. 2. Answers for question 1-52 must be marked on the scantron sheet. Only the scantron sheet will be graded. 3. Question 53 -54 should be answered on this exam. 4. All requests for addition error or regarding must be within 1 week of receiving your exam. No exceptions. 5. Addition errors and regarding question 53 - 54 should be taken to TA. Any exam turned in for regrade will be completely regarded. Session Points I. 10 II 70 III 8 IIV 12 Total 100 I. True/False (10 pts, 1pt each) 1. When sequencing DNA, the template DNA is tagged with different fluorescent dye. a. True b. False (Question 2-3). Consider the conversion of glucose to glucose-6-phosphate: Reaction I Glucose + phosphate glucose-6-phosphate + H 2 O G = 13.8 kJ/mol Reaction II ATP + H 2 O ADP + phosphate G = - 30.5 kJ/mol 2. Is Reaction I is favorable? a. True b. False 3. Suppose the synthesis of glucose-6-phosphate is coupled with the hydrolysis of ATP, the overall reaction for the coupled process is favorable? a. True b. False 4. In a lipid bilayer, the hydrophobic portions of the lipids are found in the center of the bilayer and the hydrophilic 'heads' are oriented at the water-exposed surfaces of the bilayer. a. True b. False 5. The higher the H + concentration, the lower the pH. a. True b. False 6. Myoglobin has lower affinity to O 2 than hemoglobin. a. True b. False 7. Electrophoresis can sort DNA based on their lengths. a. True b. False 8. A reaction or process will not spontaneously occur unless the free energy is G <0. a. True b. False 9. DNA synthesis terminates when a dideoxynucleotide is incorporated into the nascent strand. a. True b. False 10. The two strands of DNA in the B-form DNA are parallel. a. True b. False II. Multiple choice (60 pts, 1.75 pt each) 11. Under which of the following conditions that a reaction NEVER occurs spontaneously at a given temperature? a. a huge increase in enthalpy accompanied by a small increase in entropy b. a small increase in enthalpy and a large increase in entropy c. a small increase in enthalpy and a small increase in entropy d. a large increase in enthalpy and a large increase in entropy 12. Which one is NOT a lipid?...
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This note was uploaded on 03/19/2008 for the course CH 369 taught by Professor Kbrowning during the Spring '07 term at University of Texas at Austin.

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exam1_typeA_key - CH369 Exam 1 (version 1) . Jan 29, 2008...

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