The first volume is devoted to molecules that form the chemical basis of wildlife (amino acids, proteins, vitamins, carbohydrates, lipids, trace elements, water). The second volume includes materials on bioenergetics and cell metabolism. The third volume is devoted to human biochemistry and includes data on digestion and absorption, integration of metabolism, hormones and human nutrition: issues related to the transfer of genetic information, the structure of chromosomes and genes, protein synthesis and regulation, DNA repair processes, mutations, recombination and gene cloning are considered. Designed for biologists of various specialties, doctors, students and all persons interested in the molecular foundations of life processes.