BIOL 122: Cells and Genetics

Explore the anatomy of white and gray rami communicantes, their ties to spinal nerves, and the distinct fibers in each ramus. Learn how the myelinated fibers of white rami differ from the unmyelinated fibers in gray rami. Gain a deeper understanding of our nervous system's complexity through these intricate relationships.

Discover the role and location of Langerhans cells key components of the human immune system found in the skin. Learn about the different layers of the skin and where these cells predominantly reside. By the end of the video you'll know that Langerhans cells are mainly found in the Stratum Spinosum layer

Explore the world of DNA replication by comparing it to climbing a staircase. Understand the roles of leading and lagging strands, and discover the importance of DNA Polymerase III in this intricate process.

In cell biology, the "driving ion" is a pivotal concept. It refers to ions moving from areas of high to low concentration, generating energy for various cellular transport processes. This gradient is crucial for nutrient uptake and waste elimination. Multiple processes involve a driving ion, including facilitated diffusion, symport transport, primary active transport pumps, and cotransport. Facilitated diffusion aids molecule movement along their gradient, while symport moves multiple substance

Explore the intricate layers of organization in the human body. From molecules to the complete organism, understand the sequential formation of our biological structure. Uncover the reasons behind incorrect hierarchical interpretations.

Explore the essential role and composition of blood plasma in our body. Understand how water, as the main component, helps in maintaining vital functions. Learn the importance of plasma balance for overall health insights.