Introduction -- The major processes in the biological world -- Enzymes, conformational changes, energy, and molecular motors -- The cells -- Genome -- Regulation of gene expression and protein activity -- DNA replication, its fidelity, mutations, and repair -- Transduction of signals -- Multicellular organisms and their development -- Biological defense I. Protection from foreign nucleic acids -- Biological defense II. The immune system of vertebrates -- Pathogens -- Cancer -- Index.