subject index

616 BIOCHIMICA ET BIOPHYSICA ACT2k

SUBJECT INDEX

Actin, free from nucleotides and divalent cations; polymerizat ion of, (KASAI e l a l . ) . . . . . . . . . . . . . . . 494

F-Actin, KI-ext rac ted - - - - ; physieo- chemical propert ies of, (MARUYAMA e t a l . ) . . . . . . . . . . . . . . . 200

F-Actin, protein-factor hindering network format ion of, in solution (MARUYAMA) 208

Actomyosin, format ion of, dur ing ex- t ract ion of muscle mince wi th Weber Edsall solution (HAGA e t a l . ) . . . . . 226

Adenosine t r iphosphatase , Na + and K +- act ivated membrane - - ; role of Na + and K + in ouabain- inhibi t ion of, (SCHATZMANN) . . . . . . . . . . . 89

Ai r -wate r interface, interact ion of progesteron wi th lipid films at, (TAYLOR, HAYDON) . . . . . . . . . . . . . 488

Algae, blue-green - - - - ; l ight- induced changes in absorbancy and fluorescence of chlorophyllous p igments associated wi th P igment Systems i and 2 in, (VREDENBERG, DUYSENS) . . . . . . 355

Amino acid, intest inal - - carrier; vita- min B e as, (MuNcK) . . . . . . . . 136

Amino acid, uptake by E . c o l i grown in presence of amino acids (INuI, AKEDO) . . . . . . . . . . . . . . 143

Amino acids, t r anspor t and exchange diffusion of, into Ehrl ich ascites t um our cells ; need for ions during, (JOHNSTONE, SCHOLEFIELD) . . . . . . . . . . . 130

Amylopect in, format ion of granules of, in gelatin gel as model of s tarch precipi- ta t ion in plant plast ids (Doi) . . . . 557

Aromatic compounds, spinach chloroplast f ragments with; photochemical activi- ty of, (BLACK) . . . . . . . . . . . 27

Arsenate, - - uptake by yeast cells compared wi th phosphate uptake (BoRsT PAUWELS e t a l . ) . . . . . . . . . . 312

Ascites, Ehrlich - - t u m o u r cells; need for ions during t r anspor t and exchange diffusion of amino acids into, (JOHN- STONE, SCHOLEFIELD) . . . . . . . . 130

Ascites, Ehrlich t u m o u r cells; t ransi- ent inhibit ion of 8eRu t ranspor t in, by glucose (LASSEN) . . . . . . . . . . 423

Bacteria, cytoplasmic membrane particles from; Mg-dependent dissociation of, (BROWN) . . . . . . . . . . . . . 97

Bacteria, non-sulfur purple ; cyto- chrome oxidase as terminal oxidase of dark respirat ion of, (KIKUCHI e t a l . ) . I

Bacteria, purple ; fluorescence decline in, result ing from carotenoid absorpt ion (GOEDHEER) . . . . . . . . 606

Bacteriophage T2L, effect of s t rep tomycin on physical propert ies of, (CUMMINGS) 594

Bence-Jones proteins, see F ro te i r s Bladder, toad - - ; microelectrode s tudy

of electrical potent ials in, (CHowD- HURY, SNELL) . . . . . . . . . . . 461

Brain, nerve-ending particles from; rapid isolation of, (KUROKAWA e t a,1.) . . . 3o7

4-Bromoestradiol, calculation of ~z-elec- tronic charge densities and bond orders in, (SUNDARAM, MISHRA) . . . . . . 600.

4-Bromoestrone, calculation of ~-elec- troaic charge densities and bond orders in, (SUNDARAM, MISHRA) . . . . . . 6C~

Bromobenzene, Millipore filters sa tura ted with; cation selectivity and mobil i ty and relatix e l:ermeabi ity of, (ILANI) . 405~

Bromthymol blue, effect of, on ox ida t ion- reduction potent ials of h u m a n haemo- globin (ANTONINI £t a l . ) . . . . . . . I85

Calcium ions, uptake of, by mi tochondr ia in exchange for H + (JUDAH el a l . ) . . 452

Carotenoid, - - absorpt ion; fluorescence decline in purple bacteria result ing from, (GOEDHEER) . . . . . . . . . 60(>

Cations, divalent ; Folymerizalion of actin free from, and nucleotides (KASAI e l a l . ) . . . . . . . . . . . . . . . 494

Cations, inorganic ; association of, wi th phosphol ipid monolayers (ROJAS, TOBIAS) . . . . . . . . . . . . . . 394

Cell, - - development ; photosynthes is in, (SOROKIN) . . . . . . . . . . . . . 42

Cellular t ranspor t , possible role of poly- valent carriers in, (V~'ONG) . . . . . . IOZ

Chitirase, secretion of, from isolated gastric mucosa (DANDRIFOSSE e l a l . ) . I53

Chitinase, - - - t r anspor t th rough cell membranes ; mechanism of, (DANDRI- FOSSE, SCHOFFENIELS) . . . . . . . 165;

C h l o r e l l a , - - extracts ; chlorophylls sepa- rated from, by paper ch romatography (MICHEL-WOLWERTZ, SIRONVAL) . . . 33 °

Chlorella, - - - - extracts; presence of chlorophyll d-like p igment in, (MICHEL- WOLWERTZ e ! a l . ) . . . . . . . . . 584

Chlorophyll, 673-and 684-m/~ forms i n v i v o

of; na ture and possible funct ions of, (SIRONVAL e t a l . ) . . . . . . . . . . 344

Chlorophyll a , prepara t ion of colloidal form of, f rom concentrated solution (BROYDE, BRODY) . . . . . . . . . 586

Chlorophyll d, - - - l i k e p igment ; presence of, in Chlorella extracts (MICHEL- WOLWERTZ e t a l . ) . . . . . . . . . 584

Chlorophyllous pigments , l ight-induced changes in absorbancy and fluorescence

SUBJECT INDEX 617

of, assozia,ted w i t h P i g m e n t s S y s t e m s i and 2 in b lue-green a lgae (VREDEN- BERG, DUYSENS) . . . . . . . . . . 355

Chlorophyl ls , - - s epa ra t ed by pape r c h r o m a t o g r a p h y f rom chlorel la ex- t r a c t s (MICHEL-WOLWERTZ, SIRONVAL) 33 °

Chloroplas t s , d e t e rgen t - t r ea t ed - - ; p las tocya:a in p h o t o - o x i d a t i o n by, (KoK, Ru RAINSKI) . . . . . . . . . 588

Chloroplas ts , i sola ted - - ; effects of s t ruc tu ra l deg rada t ion on coupled pho tochemica l ac t iv i t ies of, (GRESSEL, AVRON) . . . . . . . . . . . . . . 3 I

( ;h loroplas t f r agmen t s , size of; change of f luorescence s p e c t r u m as f unc t i on of, (BRODY e~! a l . ) . . . . . . . . . . . 31o

Chlorop las t f :ragments, sp i nach - - w i t h a roma t i c c o m p o u n d s ; pho tochemica l a c t i v i t y of, (BLACK) . . . . . . . . 27

C h r o m a t o p h o r e s , f rom R h o d o s p i r i l l u m r u b r u m ; possible pa r t i a l r eac t ions of p h o t o p h o s p h o r y l a t i o n process in, (HoRIO e t a l . ) . . . . . . . . . . . 371

C h y m o t r y p s i n , free a n d inh ib i t ed - - ; X - r a y d i t t rac t ion of c rys ta l fo rms of, (COREY e t a l . ) . . . . . . . . . . . 535

C y t o c h r o m e oxidase, as t e r m i n a l ox idase of da rk re sp i ra t ion of non - su l fu r purp le bac te r i a (KIKtrCHI e t a l . ) . . . . . . I

~ y t o p l a s m a , bacter ia l ; M g-dependen t d issocia t ion of m e m b r a n e par t ic les of, (BROWN) . . . . . . . . . . . . . 97

Deoxyr ibonuc le i c acid, d e n a t u r e d - ; osci l lopolarographic t e chn i que for rec- ogn i t ion a n d e s t i m a t i o n of, (PALE~EK) 293

Deoxyr ibonuc le ic acid, t h e r m a l dena t u - r a t ion of; k ine t ic s tud ies of, w i th h igh- f requency h e a t i n g m e t h o d (TAKASHIMA, ARNOLDS) . . . . . . . . . . . . . 546

Drugs , p sychoac t ive - - ; p e n e t r a t i o n of l ip id mono laye r s by, (VAN DEENEN, DEMEL) . . . . . . . . . . . . . . 314

Elect rophores is , disc - - ; s imple appa- r a t u s for, (ROGERS) . . . . . . . . . 324

E q u i l i b r a t i n g sys t ems , rapidly- com- p r i s ing two r eac t an t s w i t h equa l ve- locit ies; m i g r a t i o n of, (NlcaOL, WIN- ZOR) . . . . . . . . . . . . . . . 59 °

E ry th rocy t e s , horse s ickled - - ; molecular o r i en ta t ion in, (MURAYAMA e t a l . ) . 194

E s c h e r i c : in c,~li, cells of; cap tu re of glycerol by, (t:IAYASHI, LIE) . . . . . . . 479

E s c h e r i c , d a t o l l , grown in presence of a m i n o acids; a m i n o acid u p t a k e by, (INoI, AKEDO) . . . . . . . . . . . I43

Eug lobu l in , adso rp t ion of, on agg lu t i - n a t i n g mi lk fa t globules (PAYEES e t a l . ) 576

Fat , a g g l u t i n a t i n g mi lk globules; adso rp t ion of eug lobul in on, (PAYEES e t a l . ) . . . . . . . . . . . . . . . 576

Fer r icyanide , Hil l r eac t ion wi th ; pho to - phosphor :e la t ion coupled wi th , (STIL- LER) . . . . . . . . . . . . . . . 53

Fibro in , s i lk ; u l t r acen t r i fuge s t u d y

of, (RAo, PANDIT) . . . . . . . . . 238 Fil ters , Millipore - - s a t u r a t e d wi th or-

gan ic so lvents ; ion d i sc r imina t ion by, (ILANI) . . . . . . . . . . . . 405, 415

F lav ins , molecular complexes of, w i th phenols ; absorp t ion spec t ra a n d proper t ies of, (FLEXSCHMAY, TOLLIN) . . . . 248, 258

Frog, sk in , see Skin Gas t r ic mucosa , see Mucosa Gela t in gel, f o rma t ion of a m y l o p e c t i n

g ranu les in, as model of s t a r ch precipi- t a t i on in p l an t p las t ids (Doi) . . . . 557

7-S y-Globul in , horse - - ; h o m o g e n e i t y of, (PAIN) . . . . . . . . . . . . . I83

Glucose, m o v e m e n t of, across biological m e m b r a n e ; con t i nuous obse rva t ion of, (BRowN et a l . ) . . . . . . . . . . . 302

Glucose, t r a n s i e n t inh ib i t ion of SSRu t r ans - po r t in Ehr l i ch asci tes t u m o r cells by, (LASSEN) . . . . . . . . . . . . . 423

Glycerol, cap tu re of, by E . c o l i cells (HAYASHI, LIE) . . . . . . . . . . 479

Haemog lob in , horse c rys ta l s ; molecular o r ien ta t ion in, (MURAYAMA et a l . ) . 194

Haemog lob in , h u m a n ; effect of b rom- t h y m o l blue on o x i d a t i o n - r e d u c t i o n po ten t i a l of, (AI~TONINI e l a l . ) . . . . 188

Haemopro te ids , ev idence of h igh- sp in a n d low-spin form of, u s i n g E S R (REIN, RISTAU) . . . . . . . . . . . . . 516

Hil l react ion, inh ib i t ion of; correla t ion be tween, a n d ac id i ty of s u b s t i t u t e d p h e n y l a m i d e s (CAMPER, MORELAND) . 383

Hil l react ion, w i th Fe(CN)3; pho tophos - pho ry l a t i on coupled wi th , (STILLER) . 53

Horse, e ry throcy tes , see E r y t h r o c y t e s Horse, - - 7-S y-globul in , see 7-S Y-

Globul in H y d r o g e n ions, up t ake of Mg 2+ a n d Ca 2+

by m i t o c h o n d r i a in e x c h a n g e for, (JUDAH e t a l . ) . . . . . . . . . . . 452

I n t e r a c t i n g sys t ems , s e d i m e n t a t i o n equi- l i b r i um f rom; c o m p u t e r ana lys i s of, (REINHARDT, SQUIRE) . . . . . . . . 566

In tes t ine , r a t smal l - - ; v i t a m i n B e as a m i n o ac id carr ier in, (MUNCK) . . . 136

Iodide, t hy ro ida l t r a n s p o r t ; possible role of iod ide-b ind ing phosphol ip ids in, (SCHNEIDER, WOLFF) . . . . . . . . 114

Ion d i sc r imina t ion , b y Millipore filters s a t u r a t e d wi th organic so lvents (ILANI) . . . . . . . . . . . . 405, 415

Ion t r anspor t , ac t ive - - in N i t e l l a t r a n s - l u c e n s ; n a t u r e of coupl ing be tween l igh t ene rgy and , (MACROBBIE) . . . 6 4

I soguanos ine , hel ix fo rma t ion by, (RAVIN- DRANATHAN, MILES) . . . . . . . . 602

f l -Lactoglobul ins , A a n d B ; compar i - son of t h e r m o d e n a t u r a t i o n of, a t p H 6.85 (DuPONT) . . . . . . . . . . . 573

Lipid , - - mono laye r s ; pene t r a t i on of, by p sychoac t ive d rugs (VAN I~)EENEN, DEMEL) . . . . . . . . . . . . . . 314

Lip id films, in te rac t ion of p roges te ron

618 SUBJECT INDEX

with, a t a i r - w a t e r in ter face (TAYLOR, HAYDON) . . . . . . . . . . . . . 488

Magnes ium, - - - - - d e p e n d e n t d issocia t ion of bacter ia l cy top la smic m e m b r a n e par t ic les (BROWN) . . . . . . . . . 97

M a g n e s i u m ions, u p t a k e of, by mi tochondr ia in exchange for H + (JUDAH et a l . ) 452

Membrane , bac ter ia l cy top la smic - - - par t ic les; Mg-dependen t d issocia t ion of, (BROWN) . . . . . . . . . . . . 97

Membrane , biological ; con t inuous obse rva t ion of m o v e m e n t of glucose across, (BROWN e t a l . ) . . . . . . . . 302

Membrane , cell - - - - of S t r e p t o m y c e s h y d r o -

g e n a n s ; effect of a d a p t a t i o n t empera - tu re on s t ab i l i t y to cold of, (RING) . . 597

Membrane , Na + a n d K+-ac t iva t ed - - ATPase ; role of Na + a n d K+ in ouaba in- inh ib i t ion of, (SCHATZMANN)... 89

M e m b r a n e model , for assoc ia t ion of inorganic ca t ions wi th phospho l ip id mono laye r s (ROJAS, TOBIAS) . . . . . 394

Membranes , cell - - - - ; m e c h a n i s m of ch i t inase t r a n s p o r t t h rough , (DANDRI- FOSSE, SCHOFFENIELS) . . . . . . . I65

Membranes , exci table - - ; effects of ma r ine tox ins on electrical ac t iv i ty a n d efflux of, (DETTBARN et a l . ) . . . . . 472

Milk, a g g l u t i n a t i n g fa t globules; ad- sorp t ion of euglobul in on, (PAYENS e t a l . ) . . . . . . . . . . . . . . . 576

Millipore filters, see Fi l ters Mi tochondr ia , ac t ive t r a n s p o r t of K + by,

(CHRISTIE e t a l . ) . . . . . . . . 432, 441 Mi tochondr ia , up t ake of Mg ~+ and Ca 2+

by, in exchange for H + (JUDAH et a l . ) 452 Mucosa, isolated gas t r ic ; secret ion of

ch i t inase from, (DANDRIFOSSE e t a l . ) . 153 Muscle, isolated - - ; phosphory lc rea t ine

c o n s u m p t i o n du r ing s ing le-working con t rac t ions of, (INFANTE e t a l . ) . . . 504

Muscle mince , ex t r ac t i on of, w i t h W e b e r - Edsa l l so lu t ion; fo rma t ion of acto- m y o s i n dur ing , (HAGA et a l . ) . . . . . 226

Mutaro tase , d i s t r ibu t ion of - - a c t i v i t y in r a t t i s sues a n d possible func t ion in act ive suga r t r an s po r t (BAILEY e t a l . ) . I24

Nerve, - end ing par t ic les f rom bra in ; r ap id isolat ion of, (KUROKAWA et a l . ) . 3o7

N i t z l l a t r a n s l u c e n s , n a t u r e of coupl ing be- tween l igh t ene rgy a n d ac t ive ion t r an spo r t in, (MAcROBBIE) . . . . . 64

Nucleot ides , ac t in free f rom, a n d d iva l en t ca t ions ; po lymer i za t ion of, (KASAI et a l . ) . . . . . . . . . . . . . . . 494

Ouaba in , - inhib i t ion of Na + a n d K +- ac t i va t ed m e m b r a n e ATPase ; role of Na+ and K + in, (SCHATZMANN) . . . . 8 9

O v a l b u m i n , aggrega t ion of, nea r i ts iso- electric pH; l i gh t - sca t t e r ing s t u d y of, (TOMIMATSU) . . . . . . . . . . . 525

Oxytoc ine , ac t ion of, on ac t ive cons t i t uen t in s o d i u m t r a n s p o r t by frog sk in (MOREL, BASTIDE) . . . . . . . . . 609

Paucid isperse sys t ems , s ed imen ta t i on equi l ib r ium f rom; c o m p u t e r ana lys i s of, (REINHARDT, SQUIRE) . . . . . . 56(>

Phenols , molecular complexes of, a n d f lavins ; absorp t ion spec t ra and proper- t ies of, (FLEISCHMAN, TOLLIN) . . 248, 258

P heny l amides , s u b s t i t u t e d - - ; correla t ions be tween ac id i ty of, a n d inhi- b i t ion of Hill reac t ion (CAMPER, MORE- LAND) . . . . . . . . . . . . . . 383

Phospha te , - - - - up t ake by yea s t cells; a r sena te u p t a k e compared wi th , (BORST PAUWELS et al.) . . . . . . . 312

Phosphol iF id monolayers , assoc ia t ion of inorganic ca t ions wi th , (ROJAS,TOBIAS) 394

Phosphol ip ids , i o d i d e - b i n d i n g - - ; possible role of in thy ro ida l iodide t r ans - por t (SCHNEIDER, WOLFF) . . . . . . 114

Phosphory lc rea t ine , c o n s u m p t i o n du r ing s ing le -work i rg con t rac t ions of isolated musc le (INFANTE et a l . ) . . . 504

Pho tophosphory l a t i on , - - - - a c c o m p a n y - ing Hil l reac t ion wi th Fe(CN)3 (STIL- LER) . . . . . . . . . . . . . . . 53

P h o t o p h o s p h o r y l a t i o n process, in chro- ma topho re s of R h o d o s p i r i l l u m r u b r u m ;

possible pa r t i a l r eac t ions of, (HoRIO e t a l . ) . . . . . . . . . . . . . . . 371

P h o t o s y n t h e t i c appa ra tu s , long- te rm de- layed l i gh t emiss ion f rom; rela t ive m a x i m u m in decay of, (BERTSCH, AZZI) 15

C-Phycocyan in , fluorescence polar i sa t ion a n d locat ion of f luorescence m a x i m a of, (GOEDHEER, BIRNIE) . . . . . . 579

P i g m e n t , chlorophyl l d-like ; presence of, in Chlorella ex t r ac t s (MICHEL- WOLWERTZ e t a l . ) . . . . . . . . . 584

P i g m e n t s , see also Chlorophyl lous pig- m e n t s

P i g m e n t Sys tems , - - i a n d 2 in blue- green algae; l i gh t - induced changes in ab so rbancy a n d fluorescence of chloro- phy l lous p i g m e n t s associa ted wi th , (VREDENBERG, DUYSENS) . . . . . . 355

Plant , - - - - p las t ids , see P las t ids Plas t ids , p l an t ; fo rma t ion of amylo-

pec t in g ranu les in ge la t in gel as model of s t a rch prec ip i ta t ion in, (Dol t . . . 5 5 7

Plas tocyan in , pho to -ox ida t ion by de- t e rgen t - t r ea t ed chloroplas ts (KoK, RURAINSEI) . . . . . . . . . . . . 588

P o t a s s i u m iodide, - - - e x t r a c t e d F-ac t in ; phys ico-chemica l proi3erties of, (MARU- YAMA e t a l . ) . . . . . . . . . . . . 200

P o t a s s i u m ion, ac t ive t r a n s p o r t of, by m i t o e h o n d r i a (CHRISTIE e t a l . ) . . 432, 441

P o t a s s i u m ion, role of, in ouaba in - inh i - b i t ion of Na + a n d K+-ac t iva ted m e m - b rane ATPase (SCHATZMANN) .... 89

Progesteron, interaction of, with lipid films at air-water interface (TAYLOR, HAYDON) . . . . . . . . . . . . . 488

Prote in , - factor h inde r ing ne twork fo rma t ion of F -ac t in in solut ion

SUBJECT INDEX 619

(MARUY•MA) . . . . . . . . . . . 208 Protein, - - - precipi tat ion by uncharged

water-soluble polymers (ZEPPRZAUER, BRISHAMMER) . . . . . . . . . . . 581

Proteins, Bence-Jones - - in form of L- chain diraers ; physicochemical proper- ties of, ((JALLY, EDRLMAN) . . . . . 175

Rat, - - small intestine, see In tes t ine Rat, - - s tomach, see S tomach Rat, - - - - tissues, see Tissues R h o d o s p i r i l l ' ~ , m r u b r u m , chromatophores

from; possible par t ia l reactions of pho tophosphory la t ion process in, (HoRIO et a l . ) . . . . . . . . . . . 371

Rubid ium 86, - - t r anspor t in Ehrl ich ascites t u m o u r cells; t rans ien t inhibi t ion of, by glucose (LASSRN) . . . . 423

Silk, - - - - f broin; ul tracentrifuge s tudy of, (RAO, PANDIT) . . . . . . . . . 238

Skin, frog - - - ; act ion of oxytocin on active const i tuent in sodium t r anspor t by, (MOREL, BASTIDE) . . . . . . . 609

Skin, frog - - - ; microelectrode s tudy of electrical potent ials in, (CHowDHURY, SNRLL) . . . . . . . . . . . . . . 461

Sodium, - - - - - t r anspor t by frog skin; action of oxytocin on active consti tuent in, (~iORtgL, BASTIDE) . . . . . . 609

Sodium ion, role of, in ouabain-inhibi t ion of Na + and K+-activated membrane ATPase (SCHATZMANN) . . . . . . . 89

Spect rophotometry , absorpt ion - - of biological materials at low tempera- ture; simple method for, (DoRBBLER, ELLIOTT) . . . . . . . . . . . . . 317

Spect rophotometry , dual wavelength - - ; tu rb id i ty effects in, (STRAUB, LYNN) . 304

Spinach, - - - - chloroplast fragments, see Chloroplast f ragments

Starch, - - precipi tat ion in p lant plas- t ids; format ion of amylopect in granules in gelatin gel as model of, ( D o i ) . . 557

Stomach, isolated ra t ; ionic relation- ships of bioelectrogenic mechanism in, (CUMMINS, VAUGHAN) . . . . . . . . 2 8 0

S t r e p t o m y c e s h y d r o g e n a n s , stabi l i ty to cold of cell membrane of; effect of adap- ta t ion tempera ture on, (RING) . . . . 597

Streptomycin, effect of, on physical prop- erties of bacter iophage T2L (CuM- MINGS) . . . . . . . . . . . . . . 594

Sugars, active t r anspor t of; possible role of mutaro tase act ivi ty in ra t t issues in, (BAILEY et a l . ) . . . . . . . . . . . 124

Thyroid glands, iodide t ranspor t in; possible role of iodide-bindirg phospho- lipids in, (SCHNRIDRR, WOLFF) . . . . I I 4-

Thyroxine, heavy-a tom per turba t ion and molecular complexing and act ivi ty of, (CILRNTO, BRRENHOLC) . . . . . . . 271

Tissues, ra t - - ; d is t r ibut ion of muta- rotase act ivi ty in, (BAILRY et a l . ) . . . 124

Toad, - - bladder, see Bladder Toxins, mar ine - - - - ; effects of, on electri-

cal act ivi ty and efflux of excitable membranes (DRTTBARN el a l . ) . . . . 4 7 2

Tumour , Ehrlich ascites - - cells, see Ascites

Turbidi ty, effects of, in dual wavelength s p e c t r o p h o t o m e t r y (STRAUB, LYNN) . 304

Tyrosyl residues, iodinated ; fluorescence of, (CoWGILL) . . . . . . . . 74

Tyrosyl residues, ionization of; fluorescence coupled with, (COWGILL) . . . . 8I

Vi tamin 13~, possibili ty of, as intest inal amino acid carrier (MUNCK) . . . . . 136

Yeast cells, arsenate uptake by, compared wi th phospha te uptake (BORST PAU- WRLS et a l . ) . . . . . . . . . . . . 31z

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