Changes in mitochondrial respiratory chain proteins during perinatal development. Evidence of the importance of environmental oxygen tension.

Adenosine Triphosphatases/metabolism Adenosine Triphosphate/pharmacology Animals Animals, Newborn Carbon Isotopes Cattle Cytochromes/metabolism Enzyme Activation Female Hypoxia/metabolism Leucine/metabolism Magnesium/pharmacology Male Mitochondria, Liver/drug effects,embryology,enzymology,growth & development,metabolism Mitochondria, Muscle/embryology,enzymology,growth & development,metabolism Myocardium/cytology Oxidoreductases/metabolism Pregnancy Protein Biosynthesis Rats Serum Albumin, Bovine/pharmacology Succinate Dehydrogenase/metabolism Valine/metabolism

Carbon Isotopes Cytochromes Serum Albumin, Bovine Adenosine Triphosphate Oxidoreductases Succinate Dehydrogenase Adenosine Triphosphatases Leucine Valine Magnesium