bmb3100-19990726-MON - K BMBFBIO 3100 Third hour...

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Unformatted text preview: K BMBFBIO 3100 Third hour examination Monday, July 26, 1999 1.05) Write down all the reactions involved in conversion of pyruvate to acetyl CoA; Name the reactants (including coenzymes) only; no structures are required. Z . + Afadjfig #3023? L 0/; m/foam 3. «,2 (0,4 ( (0,4 4. *7 Aw 7‘ ewmwld/f! J " n i ' y. , 5‘ may/2.... 7* //»4f How/A‘pna W a. Z: #19 2(2) Name the acceptor (that reacts with) acetyl CoA in the Krebs (TCA)(citric acid) cycle? OX6! [O ace", 3.(2) Name the product of the reaction of acetyl CoA with the acceptor?‘ 5,1217} C, cama/ 4.(4) The acceptor (question 2) can be made in other ways. Give two alternate enzymatic reactions, naming the reactants and enzymes, by which the acceptor can be made. fljmyfifie 1-40} —r" {ll—[p +MPC’ fl mafia-47:12? 71169? . f1. fff-j .‘fc'ff.’ (Ear :JK 54/5591?” fer-0794‘? Viv-“940W? Vxfl’ r #633“ w—A» tum/345275543 4 .‘r 1} mid/"V It‘s—[Le GQFZUXEJ/‘Z //JS/€/ fi/atu L/ + g_ a 0K Arr/61 -——--——-=y 0X4 455976146 4;? 515 Z2171” ‘1‘ ‘ ffl Y“ *— J 11/6,! “56); M; ma" “f ._,.._.._‘a- i’Hfl ‘ W [C d .,-.«. ram 8) J 5.(8) Give the products of the metabolism of acetyl CoA in the Krebs (TCA)(citric acid) cycle. How many moles of each product are generated per cycle? ZOO“. ~+ 3 /‘/r€‘[)# 4f fir QHZ- (fift‘A’Kt’J L146 715' first}?ch 6.(6) Briefly describe the chemiosmotic hypothesis. Mia m (f .649 A54 zmoMggQ/ Map/mg “1AM av. y;M/;QA»714& Wmaz {we ave/:73.» 54m Wfiyxflawb . 7-(12) Match: a. cytochrome oxidase Q peripheral membrane protein b. FAD a. lipoprotein complex 0. coenzyme Q a e integral membrane protein d. cytochrome c ()1 oxygen reduction e. complex III a: _ contains copper f. ATP synthase . succinate dehydrogenase “7% Proton gradient 8(2) How many moles of ATP are produced by metabolism of one mole of glucose to CO2 and water? 32/ 9.(12) Four enzymes are employed in glueoneogenesis that are not found in glycolysis. Give the enzymes and name the reactants and products of their reactions. 3’ --—? OXctémC-fqu mi . m7} con/Z) ox: éflg . (7% ‘L ” / /;{;.;‘L-.Crfia'7[€ —r 6w“ Orr/1K7 0557.;an +6577? _f7f7/W/»/oezeo I“ I ufi-W’tme GmFaON- 'r'f 7615(6. J erg/(7 [76.77% 4 e --————'=."7[ng6 056’- 10(8) Describe the pathway of electrons in photosynthetic electron transport from P680 (reductant) to WOO (oxidant). 11.(2) Name the acceptor for CO2 (that reacts with) in the Calvin cycle. Adam) /J 5' A," 12(6) Give the chemical reactions in chloroplasts which produce the proton gradient. . #1 w _ F MADP"’+ #* + m: .4 MAW/ ‘ . a I + M . (ow? rd Q + LN +26 ___=,-. Q (fohrjéfimné W + 39+ ‘* 28“ Hr"? Pat/7, ., -— . + 3192;) ~f- 4r; J———*-9 (gaff/HY 13(8) Photosynthesis may be divided into a (one word) reaction(s) in which the products f and 51770 are used in the (one word) reaction(s) in which CO2 is reduced to glucose. 14(6) a. Draw the general structure of a triacylglycerol. b. Draw the structure of a phosPholipid and name it. 0 O ‘ fix . H . gaging: (Jot/2);? (W3 41/7/31“ 25(6an (if/3 ('7 , _ I If H ‘0 Cfiéabf 57/3 Hi}: *0 # 09$th 9H3, c.4217 —- cMflflr/g - cage" 5-: a— c/{Q m; fife/#3); 44/ ' ' mt,- » f y r 5 Max ,1 6% ., k é/éa/éimgfl Mama.-. 15.(6) Draw the structure of a saturated and unsaturated fatty acid. ‘ ,3 [i’?//2.-J/¢ étfifW d/vg My; 0H: ewe/1:2 J7 my fiflawgawmrz 16.(5) Briefly describe or draw the structures of a lipid monolayer, chylomicron 0r micelle and a phospholipid bilayer, indicating hydrophobic and hydrophilic regions. MWWZ/Pfé , c h ; tha :03/3;9“‘<'”" I. \ . {3 ’ a l r“- t Zakaflng/W 17(5) What property of phospholipids enables them to form bilayer membranes and contribute to the stability of these structures? KIM/\A 1:“ «m 2w” {xi/M f/Lfl +. . M _ f\/\f\f\«p;f§ 6H; N/M’lj) If r) L 72% . - ' U 0 ,_./ 1/, ‘IKs/Cf/fl/Z‘ @fléflxfiemfi 7%“ no (a % . p ¢€JWJ¢9£6 ’/% 5% £1- % t/oé WW/‘é’fl '7 'w fixtéfl. W My tax/z fl/ %/7%WKC , . L. . _ I f A [42:4, .41i/3/c'25z XXL (ft-346% WW Zips -~ ' 7 '5' . I; ' P - 5/ J7 Z i, J'C'Wfl’v%£4-L-- ./ l 5" «57.6 ...
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This note was uploaded on 01/31/2009 for the course BIO 4200 taught by Professor Dr.blake during the Spring '09 term at Gwinnett Technical College.

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bmb3100-19990726-MON - K BMBFBIO 3100 Third hour...

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