^-Methylaspartate, 35 

 Mevalonic acid, 61 

 Monosaccharides, 49 



Oxalacetic acid, 1 1 



Paper chromatography, 12 

 PGA, 19, 20, 30 



degradation of, 15, 39 

 Phenylalanine, 65 

 Phosphatase, 51 

 Phosphoenolpyruvic acid 

 (PEPA) 

 in amino acid synthesis, 30, 



32 

 in aromatic synthesis, 65 

 carboxylation of, 26 

 formation from PGA, 17 

 formed from carbon reduc- 

 tion cycle, 1 1 

 Phosphoglucomutase, 52 

 3-Phosphoglyceraldehyde, 9, 49 

 2-Phosphoglyceric acid, 1 1 

 3-Phosphoglyceric acid (3- 

 PGA), 11, 15 

 product of carboxylation re- 

 action, 9, 11 

 PhosphoglyceryI-3-phosphate, 



51 

 Phosphoglycerylkinase, 9, 51 

 Phosphohexose isomerase, 52 

 Phosphoketolase, 41, 48 

 Phosphoribulokinase, 51 

 Phosphoroclastic cleavage, 41 

 Phosphorylated sugars {see 

 Sugar phosphates) 



Phosphoshikimic, 35 



Phytoene, 62 



Phytol, 60, 61 



Pigments, 60, 67 



Polyglycerol phosphates, 59 



Polysaccharides, 67 



Porphobilinogen, 64 



Porphyrin compounds, 62 



Protein synthesis, 29 



Proteins, 29, 67 



Protoporphyrin 9, 64 



Pyrophosphate, 52 



Pyruvic acid 



from glutamic acid, 35 

 oxidative decarboxylation 



of, 47 

 transamination of, 34 



Radioautograph 



of photosynthesis experi- 

 ments, 15, 18 

 preparation of, 14 

 use of, 12 

 Radiocarbon (C^^), 12, 13 

 Ribose-5-diphosphate 



in carbon reduction cycle, 11, 



49 

 reactions of, 51 

 Ribulose-l,5-diphosphate (Ri- 

 bulose diphosphate) 

 (RuDP) 

 in carbon reduction cycle, 11, 



49 

 carboxylation of, 20, 51 

 decrease in light-dark experi- 

 ment, 19 



126 



