bmb3100-20020708-MON - KEY BMBI'BIO 3100 Second hour test...

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Unformatted text preview: KEY BMBI'BIO 3100 Second hour test Monday, July 8, 2002 1.(6) Draw the structure of FAD 0 it %cf\ «t 3H t - CV \ “~- \. '43 1 x“ 0 4“ L éHoH éHou éHoH I g H L NHL 1 E3 / r , , —CH “1 0:9A0 P O 2 I /O O _ H H OH 0 H 2.(4) What does "FAD" stand for? Explain in terms of the structure you drew. W; x of“?- m Jj/fi/va/zpmfizo fix,;;;(fim Mus/#2:. 3.(_12) Match the following coenzvmes with their names and function (NB. wrong answers are subtracted): Q nightblindness (vision) 6 collagen stabilization \C 1 9H4?” H3 3% carboxylation reactions b HUTH/o C acyl group transfer g; : C/ C beri beri blood coagulation A *9; Vitamin A (retinol) L \\ . . . . / C Vitamin B,(th1am1ne) niacin CH1; CH3 m3 __ C H3 vitamin B,2 ’fi' 6 CH3 avidin binding l9 vitamin C (ascorbic acid) lipoic acid _ 0] vitamin K -0142 CHE—CHlmG 4. (given the reaction: ethanol + NAD a acetaldehyde + NADH + H+ 6’ 3 / Jo M5 a.(4) Calculate AEU' M + w 0 32 DH + H 0 mm ZH++Z€ A ’4 b.(2) Calculate AG“ Mo»; “@1925”: #2; ¢é.43'(-UJZ) = +23. ('6 kJ/m/e e.(2) Tell whether a negative value of .AG'y indicates reactants or products are favored at eQuilibrium. Prop)“ 0'65 arr, {a vofeo’ Nag“, Ago/(.5 nydfffvg ‘ (1.0) A positive value of AG“ indicates the reaction is dHJZFgonie. e.(2) What does the prime symbol with ABC” and AG”) refer to? 6. Assume AG“ of the reaction: H20 + ATP # ADP + HP04= is -30 kamole The AG“ value of the reaction L alanine + L serine rt L alanyl-serine + H20 is + 9 kamole a.(2) What is AGD’ for the reaction L-alanine + L serine I+ ATP .. Lfllanylserine + ADP + HPOFR not; --30 + C? :- -* 2,! éY/mta 11(2) What property or characteristic of AG“ is represented here? 6g 50/ F422, HM? 4o W M” J” j m 22:21 I j mtg/q ja MW [as wall?) we Wmmfj {s a Em. M02) Draw the Haworth structures of beta-D-ribofuranose, alpha—D-galactopyranose, sucrose, and lactose. HM G 0 0H OHQOH. CHgtOH 6,14 Lott City/0H \_H0 ’40 H \ “ii/M 0H ‘- ‘ zC-H ) ' ' ) J i 0” cm t OH H0 ?F*"1 o OH 0H .15; OH .- HQH C O .-— -» lg? urn-HOSE ’13 HO {6 9 V” of Di'b'jaQL‘é? jmmOsa. CHEN-l loco bfifl. Ho 8(8) Write the complete reactions of the enzymes which use ATP and form ATP during anaerobic glycolysis. Git/4,6452, '* A? 770 #7- gitwase. é/sfl-é'gaflc23f‘z.¢-/9P Eat/(Maia éfl + A9770 #2 52643215755; é./4¢é/2fiz%c/§a2£€/ % ADP ‘ / 3‘ [kWiggJ/Wfiavcfl/ f x49? #7 gjfl/ygc/igzflmggf / . I D, big?! /) f/épga/Wwéym’flé MW ---*>~ 77/th wk 7L ,4/7’ 9(6) Write the overall reaction for anaerobic glycolysis. 6.2/«62’956 7‘ X/Q 0/7" a? ~—7 :3 + £4 77-?" f: (,2 fl; if) 55“ {55153 If fl/Jflflf'; fl ~7> 5/1 a}; in: M at a? (2”; 4- 2/4 W 7‘ 53/4,? 6‘ 10.(6) Write the equations for the isomerase reactions in glycolysis. 6/54“? F/Za 5/0 m 3/9 5-? fli/éflciwggr- 52 (Minue- W?) I.” gflzfl-XJKL 1 1.(8) Write the complete reactions of enzymes which form NADH and FADH2 in the Citric Acid Cycle. - 4‘ _ H _ - . ' {7 73:47:46» (4215 7A A449 Ce» xr/fz/Zflz ae/Zzz/ mfé/ *Qfi f M / -%M#13fl-r'/% 4-4/iizfijécfizmmé r d?fl5/¥¢~ MM 3 swam "5843/4- r 5);},- 7? AfiD/fifl* MILL/6’6 “if/d 7L WW5) 7"”? flflé.fl&lé€fifflfd +A/fqp/y7i. v "f 0‘2! . H, 3' . S414 deal-ma i6. 7* f'flfi’ -——-:‘=’ Pkwy/zed odz-YIIC/ 7‘ F/f/rflfljz l2.(8) Write the reaction of an enzyme system which converts either pyruvate or a-ketoglutarate to an acyl SCoA derivative. Consider either pyruvate dehydrogenase or u-ketoglutarate dehydrogenase in your answer. gym-“Vfl'aié +8y,/7’.5/'/ + M451!“ > gag/I755 52% Ma? r Mam/7x1 V (cl/EL) + E : I r V _ g + 0475529 '22: 3k mfg 7459/45/7 7L MA We? 5:64,?“ 5 Q/g ¢« a; f ' A/Wfl -% H 7‘ 13(8) How are compounds in the citric acid cycle formed from carbohydrate and protein? Consider the pyruvate carboxylase reaction and alanine, glutamic and aspartic acid in your answer and the status of the fed and starving mammal. FEJZ/ flz'VZ/éwtfé-IC/f / (2-45-62) L5 Zi/Zg-ez’i-v/LK fl due/Va (1.26 flit ’0) / r/VEB ' v “H J r I «(M/35925 ~————r:=7 ,cz/I/é’z’é-rfi 7£ 5%? + fl/fl-a; {flair/Mad? W I .I’ 3 \ l X éfifléL--a¢'z.zz.---JZ f7“? 9(~/Q fizz/anaemia ,L. - - / '1 I NH 3 _ I I i (Cl fa a gfl,g5~fl/azffl. 3/ ...
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bmb3100-20020708-MON - KEY BMBI'BIO 3100 Second hour test...

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