Dive into an extensive 89-minute lecture on cell membrane transport mechanisms, a crucial aspect of cell biology. Explore the structure and function of cell membranes, passive transport mechanisms including simple and facilitated diffusion, and active transport processes. Examine protein-mediated transport characteristics such as stereo specificity, saturation, and competition. Investigate vesicular transport mechanisms, including endocytosis and exocytosis, with relevant examples. Gain a comprehensive understanding of how substances move across plasma membranes, essential knowledge for students and professionals in biology and related fields.