C485ExamI_000

C485ExamI_000 - C485 Exam I Fall `10 Name_ Legible please!...

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C485 Exam I Fall ‘10 Name___________________ Legible please! Do not use acronyms unless instructed to do so. Use structures whenever they are asked for, or appropriate. Your explanations should be brief . Overly lengthy answers with irrelevant or erroneous material will receive deductions. GOOD LUCK 1. (30 Pts) There are three general types of C-C bond-forming reactions in the Calvin Cycle. Please draw an example (structures please) of each one and show the mechanism (arrows required) of the transformation. You may assume active site general acids and bases as necessary. Please show the necessary parts of any cofactors.
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2. (8 pts) Which of the following are constituents of chlorophylls? (circle the letter) a) substituted tetrapyrrole d) Fe++ b) plastoquinoe e) phytol c) Mg++ f) iron porphyrin 3. (8 pts) Draw the mechanism for how the mobile electron carrier between PSII and Cytochrome bf undergoes oxidation (use chemical structures). 4. (8 Pts) Which of the following statements about cyclic photophosphorylation are
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C485ExamI_000 - C485 Exam I Fall `10 Name_ Legible please!...

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