BIOL 111: General Biology

Explore the fascinating process of protein digestion, debunking misconceptions about where it starts. Discover the roles of enzymes like pepsin and HCl in breaking down proteins in the stomach.

Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.

Learn about the anatomy of the tibia, one of the lower leg bones, and discover how it's connected to the fibula through the interosseous membrane. Find out the correct answer regarding the tibia's structure and connections.

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.

Explore the intricate world of cells, from the simplicity of prokaryotes to the advanced complexity of eukaryotes. Dive into cell structures and their functions, revealing the evolutionary journey of cellular design. Understand key processes like mitosis, meiosis, and the cell cycle, and how they underpin life itself. This video offers a captivating look at the marvels of cellular evolution, providing clarity on their roles in sustaining and diversifying life on Earth.

Explore how viruses replicate and the various ways in which new viruses emerge. Understand the importance of mutation, cross-species transmission, and the significance of wider spread in host species for disease control strategies.