INDEX 



505 



life cycle of, 48G. 



light saturation curve of, 265. 



luminescence of, 135-137, 140-141. 



nitrite reduction by, 255. 



optical density measurements of, 



100-106. 

 oxidation of c3'tochrome / by, 159. 

 phosphate uptake in light by, 334- 



339. 

 photoinhibition of, 357-360. 

 photosynthesis b}', 75-84. 



effect of heavy water on, 387. 

 excretion of glycolic acid, 228-231. 

 kinetics of, 89-99, 357. 

 rate of, 264-266. 

 photosynthetic efficienc}' near com- 

 pensation point of, 349-351. 

 photosynthetic phosphorylation by, 



333-339. 

 quantum yield of fluorescence for, 

 109-111. 

 in CO2 exchange, 406-407, 430. 

 transients in 



in gas exchange, 406-407. 

 in O2 evolution, 409, 412-417. 

 in O2 exchange, 412-417. 

 uniformitj' of, 485. 

 uptake of bicarbonate by, 229. 

 used in CO2 fixation, 206-212, 214- 

 223. 

 Chlorella ellipsoidea. See Chlorella. 

 Chlorella pyrenoidosa. See Chlorella. 

 Chloride 



effect on rate of Hill reaction of, 



381. 

 as essential element in plants, 283. 

 Chlorins, stability constants of, 4. 

 Chlorobium, 153-155. 

 Cklorobium limicola, 153-154. 

 Chlorobium thiosulfaticum, 153-154. 

 p-Chloromercuribenzoate, 298 

 Chlorophyll. See also Chlorophi/ll mole- 

 cule. 

 absorption spectrum of, 4. 

 at 700 mn, 33. 



changes during light emission proc- 

 ess in, 46-47. 



relation to action spectrum of 

 plants of, 118. 

 addition compounds of, 4, 270. 

 in algae, 6, 459-463. 

 association with quinone of, 270. 

 chemiluminescence of, 45, 89, 118, 



128, 134, 145. 

 in chloroi)lasts 



concentration of, 6. 



site of, 460. 

 dehydration of, 35. 

 effect of magnesium in, 13, 14. 

 effect of water on, 13. 

 emission spectrum of, 13-16. 

 in grana 



concentration of, 6, 21, 459. 



orientation of, 461. 

 inactive, 448. 

 isomers of, 6. 



interaction with cytochrome of, 29. 

 in lamellae, 462. 

 long wavelength band of, 126. 

 luminescence of 



in algae, 134. 



in solution, 124, 134. 

 magnesium atom of, 13. 

 magnesium bond strength in, 43. 

 natural. See Natural chlorophyll. 

 orientation of, 6. 

 oxidation of, 360. 

 phosphorescence of, 8. 

 photoreduction of TPX by, 285- 



287. 

 photoxidation of ascorbic acid by. 



262. 

 precursors of, 475. 

 quantum yield of fluorescence of, 



107. 

 reaction of C9 and Cio in, 143. 

 reduction of PGA by, 144. 

 ring V of, 20-22, 43, 142. 

 Chlorophyll a 



absorption spectrum in long-lived 



state of, 8, 9, 11. 

 in alkaline plant extract, 46. 

 differentiated from chlorophyll b, 14. 

 fluorescence in plants of, 142. 



