The Cell Cycle: Gene-Enzyme Interactions focuses on the interaction of the genetic and enzymatic complements of a cell, as well as the control of genetic expression in bacterial cells. The selection first offers information on cell evolution and the thermodynamics and regulation of chromosome replication and cell division in Escherichia coli. Discussions focus on genome evolution, selection and thermodynamics, coordination between chromosome replication and cell division, and cellular response to nutritional alterations. The text then elaborates on temporal control of gene expression in bacteria, including rate of induced enzyme synthesis in synchronous populations; change in rate of induced enzyme synthesis and sequential gene replication; metabolic oscillations and the temporal control of enzyme synthesis; and DNA replication and the integration of cell growth and division. The publication examines synchrony and the formation and germination of bacterial spores and synthesis of macromolecules during the cell cycle in yeast. Topics include gene position and enzyme timing, synthesis of ribosomal and transfer RNA during the cell cycle, and analysis of synchrony during sporulation. The selection is highly recommended for readers wanting to study cell cycle.