639-649 V.I. Tanyashin, N.I. Matvienko, A.S. Solonin, L.P. Tikhomirova, I. Fodor, and A.A.Baev "Controlled Fragmentation of DNA. Communication I. Acentric Hydrodynamic Cleavage and the Possibility of Isolation of Genetic Linkage Groups of Phage T5"

650-655 A.I. Kyaivyaryainen, R.S. Nezlin, and M.V. Vol'kenstein "Distances between Iminoxyl Radicals in Antibody Binding Sites and the Relative Freedom of Rotation of Antibody Subunits"

656-662 L.A. Syrtsova, G.I. Likhtenshtein, T.N. Pisarskaya, V.L. Berdinskii, V.P. Lezina, and A.U. Stepanyants "Estimation of the Distance between the ATPase and Substrate-Binding Sites in Nitrogenase by the NMR-¹H Method"

663-672 N.I. Grineva and G.G. Karpova "Complementarily Addressed Alkylation of Ribosomal RNA by Alkylating Derivatives of Oligonucleotides"

673-676 A.G. Malygin and E.D. Sverdlov "A Short Procedure for the Isolation of E. coli RNA Polymerase"

677-681 M.I. Mekshenkov and Т.М. Seregina "The Distance between Genes of Bacteriophage T4D Determined by the Time of Their Joint Transport to the Cell"

682-687 D.S. Markovich and G.B. Krapivinskii "On the Nature of the Slow Conformational Changes in Enzymes"

688-693 V.Z. Tarantul, V.A. Lipasova, Yu.N. Baranov, and K.G. Gazaryan "Study of Long-Lived Nuclear RNA of Avian Erythroid Cells"

694-700 L.V. Tat'yanenko, T.A. Shapiro, V.A. Yakovlev, V.Z. Gorkin, E.D. Khomutova, A.P. Pivovarov, R.I. Gvozdev, and O.I. Lebedeva "Investigation of Tyramine Oxidase with the Aid of Structural Analogs of Flavin Adenine Dinucleotide"

701-706 E.D. D'yachenko, L.I. Volkova, L.V. Kozlov, and V.K. Antonov "Interaction of α-Chymotrypsin with Tripeptide Substrates and Inhibitors"

707-712 E.N. Frolov, N.V. Kharakhonycheva, and G.I. Likhtenshtein "A Study of the Dynamic Structure of Human Serum Albumin by the Spin Probe Method"

713-718 N.V. Chichkova, G.V. Rezapkin, N.L. Teterina, and A.A. Bogdanov "RNA-Protein Interactions in Bacterial Ribosomes. Communication III. Secondary Structure of 16S RNA Fragments Interacting with Protein S4"

719-727 G.M. Lipkind, S.F. Arkhipova, V.N. Budkovskaya, and E.M. Popov "Theoretical Analysis of the Conformations of the Methylamides of N-Acetyl-L-glutamic Acid and N-Acetyl-L-glutamine"

728-733 N.G. Shchuppe, E.G. Rozet, and L.F. Panchenko "Study of the Release of Rapidly Labeled RNA from Isolated Rat Liver Nuclei in a Cell-Free System"

734-738 V.L. Drutsa, N.I. Sokolova, and Z.A. Shabarova "The Use of Tritium-Hydrogen Exchange at C₍₈₎ in Purines for the Preparation of Labeled Oligodeoxyribonucleotides"

739-745 E.L. Barskii, A.Yu. Borisov, V.I. Godik, and M.D. ll'ina "Determination of the Quantum Yield of the Primary Transformation of Energy in Photosynthesis - Communication II. Treatment by Two Variants of the Method"

746-752 O.V. Podobed, E.V. Brykina, O.Yu. Abakumova, T.V. Chernovskaya, and M.I. Lerman "Metabolic Characteristics of Poly(A)-Containing mRNA from Liver Cells"

753-758 E.D. Sverdlov, L.I. Gus'kova, N.E. Broude, and E.I. Budovskii "Chemical Approach to the Study of Stacking Interactions. Communication I. Stacking Interactions in Cytidine-Containing Dinucleotides"