BIOL 501: FUND OF BIOCH & MOL BIOLOGY IWILL BEGIN ON AUGUST 27th.

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 the distinctions between dispersal and vicariance in biology. Understand how organisms' movements and environmental changes play crucial roles in allopatric speciation. Grasp the differences between movement across existing barriers and the creation of new barriers.

Explore active and passive transport and understand how ion pumps and phagocytosis fit in. Discover endocytosis as an active transport where cells engulf particles. Differentiate between active transport mechanisms and passive methods like facilitated diffusion.

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.

This videos teaches the mechanisms behind waste elimination in earthworms and mammals. Learn how metanephridia in earthworms and nephrons in mammalian kidneys work differently to perform crucial functions. Clear up common misconceptions and deepen your understanding of these biological systems.

Discover what happens in your body after a hearty meal! Learn about the concept of 'distension' and how nerve cells act as messengers to your control center, orchestrating the digestive process.