Abstract
A review covering the period July, 1945 to November, 1946. Main topics include respiration of tissue slices, Neurospora mutants, and luninescent bacteria, and the mechanisms of phosphorylation, decarboxylation, and the oxidation of fatty acid and cyclic compounds. Various enzymes are discussed including the cytochromes, flavin enzymes, amino acid oxidases, and the new view of catalase and peroxidase.