The Dynamic State of Body Constituents

acids isolated administered amidine group amino group ammonia amount antibody arginine Aspartic acid atom per cent biological body constituents body fats body fluids body proteins Calculated for 100 carbon atoms carbon chain CH₂ chemical reactions choline COOH COOH creatine creatine formation creatinine deamination degraded depot fat deuterium deuterium content dietary enzyme experiments fatty acids glutamic acid glycine guanidoacetic acid heavy nitrogen heavy water histidine hydrogen atoms indicate indispensable investigated involved isotope concentration isotopic amino acids isotopic ammonia isotopic creatine isotopic nitrogen keto acid leucine liberated linkages liver living organism lysine metabolism methionine methyl groups mice molecules muscles newly formed normal animals nucleic acids occur oleic acid ornithine palmitic acid peptide phenylalanine processes proteins radioactive rapid replaced Rittenberg samples Sarcosine saturated Schoenheimer serum stearic acid stock diet structural substances synthesis Table tion tissue proteins tyrosine unsaturated acids urea formation uric acid urinary ammonia urinary urea urine