the concentration of binding sites for ( - ) 3h-dha in membranes prepared from cardiac ventricles was 21.1 +/- 2.78 ( sd ) fmoles/mg protein in 3-4 month old rats ( young rats ) and 31.2 +/- 2.20 fmoles/mg protein in 24 month old rats ( old rats ) .
C1335665
protein
C0034693
rats