G Protein-Coupled Receptors
This animation shows one model for g-protein function in mediating an intracelluar response to the presence of extracellular ligands . Animation plays through the whole sequence first then breaks down the action into a step-by-step explanation.
Influenza Life Cycle
This animation follows the life cycle of an influenza virus invading a host cell, including attachment, entry, synthesis of viral RNA and proteins, transport and release of new virions. Zoomboxes show detail in various locations throughout the cell.