* Channel gating during an action potential (figure 4-9) * Propagation of the action potential. (figures 4-10 and 4-11) * Synaptic vesicle fusion and neurotransmitter release. (figure 5-9) * Comparison of direct and indirect neurotransmitter actions: ligand-gated vs. G-protein-coupled receptor. (figures 5-5, 6-8, 6-9, 11-9 and 11-10) * Calcium release from sarcoplasmic reticulum, initiation of muscle contration and actin/myosin interactions and filament sliding during muscle contraction. (figures 7-7, 7-8 and 7-13) * Photoisomerization of rhodopsin. (figures 15-8 and 15-9) * Center-surround receptive field; simulated action potential firing with light placed in different positions in receptive field. (figure 15-20) * Mechanosensory transduction in hair cells. (figure 17-4) * Basilar membrane oscillations at different sound frequencies. (figure 17-7) * Granule cell migration along radial glial cells (figure 19-10)