The book sequentially discusses the stages of the final stage of chlorophyll biosynthesis from the formation of the active protochlorophyllide-enzyme complex to the formation of pigments of the reaction centers of photosynthetic systems. Fundamental research of past years and the results of the latest research carried out using modern methods of molecular biology are discussed. Much attention is paid to the priority research of Russian scientists. _ x000D _ For biophysicists, as well as for teachers, graduate students and students of biological universities.