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BCMB 3100 Questions 5 Exam And Complete Answers
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BCMB 3100 Questions 5 Exam And Complete Answers Midpoint reduction potential - Answer A certain cofactors affinity for an electron - inversely proportional to free energy (lower affinity=higher energy and less likely to stay with compound) chemiosmotic theory - Answer A model to explain the synthesis of ATP. The theory proposes that the energy for ATP synthesis originates from the electrochemical gradient of protons across a membrane. Matrix has a lower H+ concentration and higher pH compared to intermembrane space of mitochon dria What cofactor can be used to transfer a single electron as well as transfer molecular oxygen - Answer Heme B Why is reduction of O2 a double edged sword - Answer It can produce highly ROS What happens when NADH is unable to cross the inner mitochondrial membrane and cant reach complex 1 - Answer They use glycerol phosphate shuttle and malate-aspartate shuttle to transport electrons across the membrane Why is the F0-F1 ATPase considered a molecular motor - Answer It uses mechanical energy from the proton gradient to force two compounds togethe r to form a chemical bond Describe the three conformational states of the ab subunit for F0-F1 ATPa se - Answer Open state- Allows ADP and P to bind and nothing is released ADP and P come together to create ATP and water is released while ADP and P re enter Tense State- There is a mechanical forcing of bond making What would a chemical uncoupler do to someone trying to lose weight - Answ er It will decrease the amount of ATP since the uncoupler disrupts the proton gradient forcing the ETC to work faster What CAC intermediates are involved in shuttling NADH into the mitochondrial matrix - Answer Malate when it is oxidized and turned into OAA. The reverse reaction happens in the cytosolThe benefits of buying summaries with Stuvia:
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