1. Collective Excitations in Quasi-Periodical Molecular Structures.- 1. Crisis in Bioenergetics.- 2. Alpha-Helical Structure of Proteins.- 3. Collective Excitations in a Single Chain of Peptide Groups.- 4. Excitons in Molecular a Chain.- 5. Solitons in Molecular a Chain.- 6. Solitons in Real ?-Helical Molecules.- 2. Some Phenomena with Participation of Molecular Solitons.- 7. Solitons and Molecular Mechanism for Muscle Contraction.- 8. Solitons and the Molecular Mechanism of the Effect of Radiation on Cells.- 9. A Possible Mechanism for General Anesthesia.- 10. Intracellular Dynamics and Solitons.- 3. Excitation of Solitons in One-Dimensional Systems.- 11. Time-Dependent Evolution of Initial Excitation.- 12. Initial Excitation in the Form of a Hyperbolic Secant.- 13. Initial Excitation in the Form of a Rectangular Impulse.- 4. Dynamical Properties of Solitons.- 14. Free Solitons.- 15. Soliton Motion with Friction.- 16. Soliton Motion Affected by External Inhomogeneous Fields.- 5. Solitons in Molecular Systems with Nonlinear Intermolecular Interactions.- 17. The Equation of Soliton Motion for General Intermolecular Interaction.- 18. Cubic Anharmonicity.- 19. Quartic Anharmonicity.- 20. Repulsive Core Potential.- 6. Super-Sound Acoustic Solitons.- 21. Solitons in Toda Nonlinear Lattices.- 22. Acoustic Solitons in Molecular Chain with Cubic Anharmonicity.- 23. Acoustic Solitons in Molecular Chain with Quartic Anharmonicity.- 24. The Capture of an Excess Electron by Supersound Acoustic Solitons.- 25. Supersound Solitons in Nonlinear Quasi-One-Dimensional Molecular Structures.- 7 The Theory of Electron Transfer by Solitons.- 26. The Donor-Acceptor Model of Electron Transfer by Protein Molecules.- 26.1. Pairing of Two Excess Electrons in a One-Dimensional Molecular Chain.- 27. The Interaction of an Electron with Nondipole Optical Phonons.- 8 Space-Periodic Excitations in Nonlinear Systems.- 28. Mobile Periodical Excitations in One-Dimensional Systems.- 28.1. First Type oflC”