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BIBC102-FINAL-KEY

BIBC102-FINAL-KEY - Name(last first IQ BIBC 1G2 University...

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Unformatted text preview: ] Name (last, first) : IQ? BIBC 1G2 University of California, San Diego, Dr. Lukas Elueltler Summer DE FINAL EXAM {SCI POINTS} YOUR SCORE: POINTS, YOUR CLASS GRADE _ All Studenlfi please read the following waiver: By signing this waiver. I give permission for this exam to be lafl for me to plot: up oulside Bonner Hall 223-3. lfl do not sign this. waiver. I admowledge IItat my exam will be available for pickup during office hours or class. —,_—.I Signature Date PLEASE READ THE I'uCIlUESTIlClIHIS CAREFULLY BEFDRE ANSWERING! I. Name the three pathways {stages} involved in the complete aerobic oxidation of mitochondrial palmitoyl-CoA to CD; and H20. 6 points (9'- U‘riaEM/i'i TIA (F1261 U300. mm“ filterwbzwlm 2. Insulin and glueagon regulate not only glycolysis and glycogen metabolism, but also fatty acid synthesis. 4 points Which key enzyme in paintitie acid synthesis is regulated by these hormones? {Salli-"Cu? Carbflfgéie @CC) Whatlstheproduot urorsenzrme? VIM-dim ‘3/6" C674“ 3. What is the metabolic fate of The reducing equivalents extracted from stearie acid and NPLTJWIHfl-H during oleie acid formation? 5 points {Mather 0L +0 2H“) 4/ 2 Name (last, first] : 4. What is the rule of S-adenusvlntethiunine in E.ccli synthesis of phesphatidvlchuline? 5 points +5 sMLWB/C breed); is» HMJWQ 5. Huw than},r acctvl units dues it take to make: 4 points Cine molecule of squalene? I’3 Due mulecule ufchclcsterul'i‘ i3, 6. What is the functic-n of LDL recepturs in liver cells? 15 points in lat/"wt Wt was owl Moo-«Z; WM L335? flu cpfifi Cashew-will) Hew dc- luw cholesterol levels inside liver cells affect the number uFLDL-recepturs on the cell surface? +543 [M W541 L‘errfiUflt‘D 4; Name (last, first} : Lg} 7". How does the proton gradient across the inner mitochondrial membrane contribute to the availability of the two snbatratea needed for ATP aynthesia by the ATP-synthase in the matrix compartment? 5 points f_ Ml“ liwdm/i' Pi We. itu li'lr/l)? QUQW 3. What is the purpose of the glycerol-B-phosphate shuttle linking cytoplasmic 1with mitochondrial energy metabolism? 5 points [YEMEN/Lb} (MEG-ix Vfl'fl/WMQ RIMLAL}Trw (/thth H”) id- 01?er PM Whig/UAW 4 Name (last, first] : 9. What ie the rele of leghemeglubin in bacterial H2 fixation? 15 points Vt” {gar/l 02 M CMMFM} tilt/Tin}: U1 kWh-Q Mimi}? it]. Name the two enzymes farming the glutamate-glutamine cycle. 4 points Gib/lawman I galamm twflalase i. Name the amino acids that are farmed through amine-transfer reaetinna to: IE paints male-acetate: & J gm alpha ketaglutarate {111(6): 6i Mfiw‘fi file-fi pmvate : 12. List all the products of the reaefien catalyzed by the enzyme phenylalanine hydrexylaae. 13mm, 41W (MW) Mafiafifih ( Whvhflvzjflfla) 4,5 5 Name (last, first) : 13. Show the two steps leading to the formation nf free smmnnia in the kidney. 5 points i ”3- r‘V'lt'J tlrL‘? Mill] 14. Starting fi'nm serine, show the steps required fur the net synthesis of two methylene—THF molecules. 4 points Wk 1 t), “AWL“. THF Glfijdxa L ‘9) WWW? +— ti Name (last, first) 1 15. 1|l.‘U’hat is meant by sequential feed back inhibitipn. Use the branched hie-synthetic pathway sf aromatic amino aeids as an example. 5 points Rd Q/biwhufii— 51 cam/{fl thA wait/Thin a w “W 4 a M 16. What is PRPP and how does it contribute to pyrimidine hipsynthesis. 6 points thphwiiwy/i WWW/HEM Law/L E W OWP [Era-w wept aflliitvl ...
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