BIOL 221: Foundations of Biology 1

Explore the intricate world of phosphorylation cascades and their role in cellular signaling. Learn how protein kinases amplify external signals, guiding a cell's response. Decipher common misconceptions about these essential cellular processes.

Discover the dynamic nature of the cell's lipid bilayer. Delve into the roles of unsaturated and saturated phospholipids in membrane fluidity. Understand temperature's influence on this vital cellular component.

Discover what sets muscle cells apart from nerve cells in the complex world of cellular biology. Our video zeroes in on gene expression explaining how it's the key difference between these two cell types. Equip yourself with the knowledge to better understand cellular function and diversity.

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.

Discover the intricacies of the human cardiovascular system, focusing on the heart's blood supply. Understand the unique role of coronary arteries in nourishing the myocardium. Gain insights into the critical vessels that ensure heart health.