Solutions to Problem Set #1

Solutions to Problem Set #1 - Problem Set # 1 Biochemistry...

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Unformatted text preview: Problem Set # 1 Biochemistry 100B ' 29:] no}; Wonk}; haw a dialrmim (if 5513 x. JG? #5.: “ .F’m {Ming-kin of a‘iargeqflzm. ' _ 7 a gkxmilar an "* muiézézme ifi Bfiangf‘a 2.8 mm; ‘x .- jn ambit: fnGtE—él‘s‘ g flfliififiiifif =W 3‘33] 3394 xi ' maul 391" 0"" -r'?1:imm12cuk-zs - I whmm {vz-wiiusv ===‘ 2:3 p.11“) h}; the null “ 1 (lieu minute :2» 4ff‘5[53\i- “ i5 ><Z ‘Eil :n“:’1*hus, ihré mmghramf Emir: mislva " x 1‘}, .1 u.‘ ::\w: .IU‘ “ ‘ *‘ mammar- mt‘E‘; is p5, ‘: at? x :‘Ii;"""‘n1'}jz'{2‘él~ x 2m"“?fi" 11:21?) a» 2.3; x :01“ rag-Jam,- rs»r W‘alfiuu eimin mulecums. (c) ’1‘"rw z'adms mf 1m: Spi‘qm’im] mireanhnuatlricm is: if" * 2 is ~1:3|;d.l»-%( a x 10" mi"! 1.3 >< 1L‘N’3-Wf1me h“;gluihiflhrrd iii-121' m1; mum aéefrovi‘Mlfimchm‘udréa. in the: x M“ was: 1048:1133 :: ffififlfif}mimczhmmlria (d) ’1‘iéermlmnwoi‘gtmeukw‘ymic mail 15 13.5 if)" 3'" an?) 1 <5 ‘3‘ .11“: . cm is pracium, [if the (-0.11 volume and gimme: 1:01; EU” net-31mm1E¢2anfti§j 2* 3.22 X 103:0 ‘molfl‘ulm . w ‘ -.. - .i- b < u: t "w miJ'ii’K‘uiaih {u} 3? he cums .11 retain {23*glucus'-¥!}1(:'XOki1mg££ is [Linn smououz M, 12123011: 1” {such enzyme mn‘iecmle u'a‘mlari have atmm; 3'30 :nmlemlltas (3f gimmsa amilahh¢~ ; .- z. . Osgood, M.. Ocorr, K‘ (2005) The Absomre, Ufrimare Guide :0 uhninger PRINCIPLES OF BIOCHEMISTRY. {4th Ed). New York: WJ-I. Freeman & Company. 1-2 (a) 72:9 i-‘(flfjiu-{E u? Smglo 52'. (to?! {:03} {5721:} he: mlm‘iagté 7 ‘ r «9337;» (radius ":4: H93- mm: X It} z: 11‘325‘2 >< 10"“? cm) w >< 911;}? z \ : .3 X Wham": = 1' >4 1{‘1""‘"‘L 123922;;in {gm} amitiplim] by wizln'le {1.4) givesmhe 111355 (ah: ginghs: Geri: (1,: 3»: 2,03 #1..)(1 x 10% 11:3 2 1‘ 10”“? 3 mm “152% (in 1 : in}? HIE? garrngmrwjm. 01' {THE minim that 61062.5: Tagmén-rfluda me r-mli {the $93] v::)].:1ms:‘ 1341.! the {-21weiupcgwwi‘lih?" x: ‘flA‘ym ‘* 01).]. I 3:3}.{31 pm)wsjividm by; [he 1012.11 mlimm- ‘ E? 11‘V*€3(.L13';'i?, . , wail b: ‘2 gm: ’\"'01:‘1mr3 without EEI‘WCIUQE’. = «5139, pm" 3(138 um) Wham?» with ezarwcaml'ne 1:03;} ,‘ir‘niv‘éfiéi hm} IGTCQIlf-Elgfi of (:01! 1.1m, 1.1092; mt incdm‘ie the: gflYFEfiflp‘G fly“? {+321} $130" ,~ ~ ». ~- -~-~— wan-h 0 one: signifigmmfigura, munding dawn 11w 5-34-91; 10 05' 13:1 “ch her-s: 2:1 'less'gc} dirtwmmv 120 the answéuz‘) ’JT};1‘L=:”~r:&I'! fin‘v‘avmpe 3(1L151',f;1l‘:’i‘lilnL 1m iU‘axz; ohm mm] whu'ue: 01‘ Lhis haci'e ’ifiim. The “581111139 of the {393] <- i‘fflfifi‘i MILZFCZ Mm) ' the perurzn-Eekge {3f trail wlurzm mcupjed by the fihflfifimfifi 1?} ‘ if} a: At?“ T II: in l[JI‘delthS‘Ffi’éafimfltfil at?sif'ii‘aaciartts} is;sheInaswacijuu1'3Li0,fi2. At {imiizfiiériilirl,fifl == 3 and I4} ’57:? 5:} AG” ~33" m Kg”, » ‘ L ‘H T) hwy x-iaié‘ié” il f ' *C a 2-98 K, Using", the mine: I??? r: 3.428 12L Inaazglfi \w cam Gilliuiéiifi the £153?” wines from HlEi Kai” fur Leach veggie-it. (a) am —, {b} if?” (c) AW : ( 48 Miami) In (:18 ~43 kst'mol ' 48 hi'ftr’té'il') hi 0.04735 I 3’56 hiflficfl :2. ‘3. “2,48 EiJfium 1n --'- .123)? kJi’mo? Osgood. M,. Ocorr, K, (2005) The Absolute. Ultimate Guide 10 Lehninger PRINCIPLES OF BIOCHEMISTRY. (4th Ed.) New York: W.H. Freeman & Company“ 13-3 w gem»: 2r: :‘rrflsuw fl. 3!; 1*: AG” RT [1.2, $111331;Iéquiillli'iiil‘u. (in? in if; , if; " 5.3 :z-vzri 2"; i” :35 {V 3, 53:3” i: 248 liéitin‘)? 1 .r‘eziu-Liou using t‘szzo vanam of AG” So: a: s-qL12.§jhs‘;:1211, in at.“ :- sax-(1r- From méxso ref-Minn 13m 11:18., x5:£3--{:M“c»€1;1. . in “E3533 ER:- {1 if; ') (E1) ‘ fi‘ggoizm‘, -—“ 193.1»! Minus} '- ' " \ m .53 k.¥fmoi}.+‘"{3.48 kJr-‘molfi m E141 0:3: ;__ i508 M (u) Fm" {moxan 1 3—1 3 row 5“ ‘r': 31:0 _ am; mm; ‘5'”. » w a g g ‘u. ,, e“. ' 15:5?[zhhb'elklhgii 1:15:01?» 5.3;} ‘. m“ E > s-iwggawx ; 2': it?” w :73)” in {3:i'nduc‘tgjfh‘eattains33 $429.5 =-- 53%”? ’3 ‘KJJB'MI 4r {3.43 Mfmol} Ln 3': = 4671 mm): 5‘; “in :1? 13—7 Answer m:- m-‘umél {"l'Eiiiciij-IIJII for ATP Inform-hair“: (1:11:11)? appi'o-xirnmmfi as ,ro‘i-i“ i-Ig:i;=:;=.sx;1:;r£‘3¥” + HPOE’“ +3 H { rmig; on approximaiisu‘. hem-awe tho iofiizfifii‘) the ooh ' i’t‘jnvfirii. am iH judging more the r no , "as ‘ ; Lii‘WifzI’d products, and loos fare onwgy released Osgood, M.. Ocorr. K, (2005) The Absolure, Ultimate Guide to Lehninger PRINCIPLES OF BIOCHEMISTRY. (4th Ed.) New York: WH. Freeman & Company. 7b The AGm for ATP hydrolysis can be written as following: AGm. = AG“ + RT 1n [ADP][Pi][H]/[ATP][H10] The "RT ln Q“ term can be separated into two terms: AG”m = AG” + RT 1n [H]/[H20]+ RT 1n [ADP] [Pi]/ [ATP] At biological pH ~7, where [H]=10'7 M and [H20]=55.5 M the term “RT 1n [H]/[H20]” stays constant. Biochemists combine this “RT ln [H]/[HgO]” constant with AG" to form a new constant AG”. Therefore, AG”: AG“ + RT ln [H]f[H20] i) The AG” (biological standard-free energy) for the hydrolysis of ATP is -30.5 kJ/mol. We can now find AG" (physical standard-free energy): AG": AG” —— RT 1n [H]/[H20] = -30.5 — 2.479 In (107/555): 19.6 kJ/mol ii) To answer what would AG” be for pH 5, we use AG“ found above, [H]=10'5 and [H20]=55.SM : AG’°pH5 = AG" + RT ln [H]/[H20] = 19.4 + 2.4791n (105/555): —19.1 kJ/mol ...
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Solutions to Problem Set #1 - Problem Set # 1 Biochemistry...

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