UCSB_MCDB110_FinalExam_Winter2009-1497285260178.pdf

Column i column ii 11 ab mi rna micro rna a attached

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Column I Column II 11. _ ab _mi RNA (micro RNA) a. attached to thymine 12. _ ac _ H 2 O b. final stage of transcription 13. _ bd _ADP c. terminal electron acceptor 14. _ be _ thermogenin d. RubisCO side reaction 15. _ ad _ Okazaki fragment e. bound by single-strand binding protein 16. _ bc _ UTP ab. regulatory molecule 17. _ b _ rho ac. electron source in non-cyclic photophosphorylation 18. _ c _ NADP + ad. lagging strand 19. _ a _ 2’-deoxy-D-ribose ae. nucleoside 20. _ d _ photorespiration bc. RNA precursor bd. its transport out of mitochondria is driven by a charge gradient be. allows H + to flow into matrix cd. consumed by mitochondrial electron transport ce. factor-independent termination de. essential process in photosynthesis
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Name ____________________ -7- 21. ATP synthesis and electron transport are coupled by a) an electrochemical gradient of protons b) ATP transport c) reactions in the cytosol d) DNP e) all of the above 22. When oxygen is given to intact mitochondria in the presence of excess succinate and ADP, a) ATP synthesis will not occur due to conversion of the oxygen to water. b) ATP synthesis will occur unless an uncoupler is added. c) ATP synthesis will not occur unless an uncoupler is added d) ATP synthesis will occur because electrons can flow from succinate to CO 2 . e) The TCA cycle will proceed even if oligomycin, an inhibitor of ATP synthase is present. 23. When a tiny redwood seed grows into a massive redwood tree, MOST of the dry weight of the tree comes from a) the soil b) the air c) transformation of light energy into matter d) minerals dissolved in water e) depends on whether it is a C-3 or C-4 plant 24. What is true about the cytochrome bf complex? a) It creates a proton gradient b) It is associated with both cyclic and non-cyclic photophosphorylation c) It is located in the cytosol d) It functions in mitochondrial electron transport e) a and b
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Name ____________________ -8- 25. The purpose of non-cyclic photophosphorylation is to a) reduce oxygen to water b) generate ATP and NADPH c) produce NADPH without producing ATP. d) produce ATP without producing NADPH. d) none of the above. 26. The two strands of the DNA double helix a) are held together by covalent bonds. b) form antiparallel beta-sheets c) undergo denaturation at high temperature d) contain equal amounts of G and A e) all of the above. 27. The high fidelity of DNA synthesis is the result of the ________ activity of DNA polymerase a) 5’ to 3’ exonuclease b) 5’ to 3’ polymerase c) 3’ to 5’ exonuclease d) 3’ to 5’ polymerase e) ligase
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Name ____________________ -9- 28, (8 points). Structure 1 Structure 2 The general name for the structures shown above are: Structure 1: __ pyrimidine __________________ Structure 2: __ purine __________________ Name two specific examples of each structure: Structure 1: __ thymine, uracil, or cytosine __________________ Structure 2: _ adenine, guanine (or inosine) ___________________
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Name ____________________ -10- 29. (6 points). The following DNA strand is the template strand for RNA synthesis: 3’ AGGTACCGGTTTAA 5’ The strand is copied from left to right by RNA polymerase.
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