Global transitions to proteins -- Molecular forces in biological structures -- Conformations of macromolecules -- Molecular associations -- Allosteric interactions -- Diffusion and Brownian motion -- Fundamental rate processes -- Association kinetics -- Multi-state kinetics -- Enzyme catalysis -- Ions and counterions -- Fluctuations -- Ion permeation and membrane potential -- Ion permeation and channel structure -- Cable theory -- Action potentials -- Appendix 1: Expansions and series -- Appendix 2: Matrix algebra -- Appendix 3: Fourier analysis -- Appendix 4: Gaussian integrals -- Appendix 5: Hyperbolic functions -- Appendix 6: Polar and spherical coordinates.