668 



INDEX 



deoxypentose nucleic acid, 



interfering substances, 289-290 

 mechanism of, 288-289 

 procedure, 287 

 specificity, 287-288 



deoxypentoses and, 53 



pentose nucleic acid and, 394 

 Diphenyl phosphate, 



3'-nucleotidase and, 593 



phosphodiesterase and, 585-586, 588 



ribonuclease and, 559-560 

 Diphosphates, nucleoside, ion-exchange 



of, 230-232 

 3',5'-Diphosphates, synthesis of, 176 

 Diphosphokinase, transphosphorylation 



and, 626 

 Diphosphopyridine nucleotide, 597 



analog, isonicotinic hydrazide and, 609 



deamination of, 596 



dihydroorotic acid dehydrogenase and, 

 620 



hydrolysis of, 40, 181-182 



ribose in, 13 

 Diphosphopyridine nucleotide hydro- 

 lase, 



animal, exchange reaction of, 608-609 



Neurospora, inhibition of, 608 

 Diribosylamine, 29 

 Dissociation constants, 



nucleosides, 458-461 



nucleotides, 458-461 



purines, 455-458 



pyrimidines, 455-458 

 Distribution coefficient, 



ion-exchange, 213-214 



mononucleotides, 221-223 

 Dithioformate, purine synthesis and, 132 

 Dithioformic acid, purine nucleoside 



synthesis and, 152 

 Dithiothymine, 104 

 Diureidomalonic acid, 617 

 Diuridine-5',5'-diphosphate, 



stability of, 420 



synthesis of, 176 

 Divicine, 159 



structure of, 100 

 DNA, see Deoxypentose nucleic acid 

 DPN, see Diphosphopyridine nucleotide 

 Dyes, deoxypentose nucleic acid and, 337 



Egg albumin, nucleic acid and, 320-321 

 Electrolytes, deoxypentose nucleic acids 



and, 484-488 

 Electrophoresis, 

 buffers and, 275 

 endosmosis and, 276 

 general considerations, 267-268 

 microtechnique, 284 

 nucleic acid separation by, 332 

 paper, nucleotides and, 396 

 Endosmosis, electrophoresis and, 276 

 D-£/r?/</iro-2-Deoxypentose, 11 

 Erythrose, 10 

 cysteine reaction and, 293 

 deoxyribose synthesis and, 50 

 Ethanol, 



deoxypentose nucleic acid absorp- 

 tivity and, 529 

 paper chromatography and, 253, 255, 



264 

 pentose nucleoprotein separation and, 

 380 

 Ethionine, 188 

 /3-Ethoxyacrolein acetal, 125 

 Ethyl acetate, paper chromatography 



and, 253 

 Ethylenediamine tetraacetate, nucleo- 

 protein isolation and, 313 

 Ethylmercurithiosalicylate, nucleopro- 

 tein extraction and, 314 

 5-Ethyl-5-phenylbarbituric acid, see 



Phenobarbital 

 Ethyl riboside, 13-14,24 

 2-Ethylthioadenine, 105 



FAD, see Flavin adenine dinucleotide 

 Feulgen reaction, 6 

 Fiber, axis, absorptivity and, 533 

 Flavin adenine dinucleotide, 



hydrolysis of, 183 



ribose in, 15 



synthesis of, 184 



xanthine oxidase and, 610 

 Flavin mononucleotide, 15 

 Fluoride, 



deoxyribonuclease and, 582 



