BIOL 122: Molecular/Cellular Biology

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 composition of the diaphysis in long bones. Learn about the significance of compact bone in providing strength and differentiating it from other bone components.

Discover how cholesterol, a substance found in our body and certain foods, significantly impacts cell membrane fluidity. Learn its varying effects under different temperatures and in diverse cellular lipid compositions. Uncover its indispensable role in nerve signal transmission and cellular health.

Discover the essence of hydrostatic pressure and its significance in capillary beds, examining its relationship with colloid osmotic pressure and how it affects fluid movement in our circulatory system.

Explore the role of human placental lactogen (hPL) in this informative video. Learn how hPL prepares the breasts for lactation, debunking other hypotheses about its functions in nourishing the placenta or regulating the menstrual cycle. Discover the primary function of this remarkable placental hormone.

Explore the secrets of fossilization in sedimentary rocks. Uncover how these rocks, like nature's archives, preserve the history of life on Earth over billions of years. Delve into the unique processes that create these historical records.