44108a_E2 - name _ BICH 441 EXAM 2 March 27, 2008 An Aggie...

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name ___________________________________________________________ 1 BICH 441 EXAM 2 March 27, 2008 An Aggie does not lie, cheat, or steal, or tolerate those who do. I swear on my honor as an Aggie that I have not received or given unauthorized aid on this exam, and I am not aware of others who have received or given unauthorized aid on this exam. signed _________________________________________________________ NO CALCULATORS! Before you begin, write your name on each page (there are 6 pages) and sign the Aggie Honor Code statement above. Information you may find useful in answering some of the questions: 1 2 O 2 + 2 H + + 2 e H 2 O E 0 ' = 0.861 V cytochrome c (Fe 3+ ) + e cytochrome c (Fe 2+ ) E o ' = 0.254 V PQ + 2 H + + 2 e PQH 2 E o ' = 0.070 V UQ + 2 H + + 2 e UQH 2 E o ' = 0.060 V FAD + 2 H + + 2 e FADH 2 E o ' = – 0.219 V NAD + + H + + 2 e NADH E o ' = – 0.32 V ferredoxin ox + e ferredoxin red E o ' = – 0.43 V F = 96.5 kJ/V•mol Questions 1-15 (2 pts each). Enter your answer on your Scantron sheet. 1. What is E 0 ' for the reaction catalyzed Complex IV in mitochondrial electron transport? A. 0.353 V B. 0.607 V C. 0.706 V D. 0.801 V 2. Which of the following is the best estimate for G°' for the reaction catalyzed ferredoxin/NADP + reductase in photosynthetic electron transport? Assume E 0 ' for NAD + and NADP + are the same. A. –11 kJ/mol NADP + B. –22 kJ/mol NADP + C. –54 kJ/mol NADP + D. –108 kJ/mol NADP + 3. G°' for the reaction catalyzed by cytochrome b 6 /f in photosynthetic electron transport is –25 kJ/mol plastocyanin. Calculate the standard reduction potential for the half reaction: plastocyanin (Cu 2+ ) + e plastocyanin (Cu + ) A. 0.32 V B. 0.16 V C. 0.070 V D. 0.035 V 4. The glycerophosphate shuttle operates using two forms of glycerophosphate dehydrogenase. One is located in the cytosol and utilizes _____________. The other is associated with the _____________________ and generates ________________. A. NADH; outer mitochondrial membrane; reduced cytochrome c
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44108a_E2 - name _ BICH 441 EXAM 2 March 27, 2008 An Aggie...

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