BIOL 200: Cell Biology

Discover the intricacies of lymphocytes, vital immune system cells, as we uncover where they develop the ability to effectively combat foreign invaders and the unique roles of T and B lymphocytes and NK cells.

Discover the fundamentals of the respiratory system and the primary muscle behind inspiration. This video breaks down the physiological process of breathing, the key role of the diaphragm, and why other muscles don't initiate breathing.

Explore the anatomy and function of muscle fibers, focusing on the critical role of the sarcolemma. Delve into the significance of myofibrils, sarcoplasm, and T-tubules. Understand the intricacies of muscle contraction and the cell's role in it.

Dive into the world of cellular respiration, where glucose transforms into energy-rich ATP. Unpack the crucial steps that occur mainly within the mitochondria, resulting in the release of carbon dioxide and the production of the cell's primary energy currency. Decode life's foundational energy process and its significance in cellular functions.

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 foundational processes of aerobic and anaerobic respiration. Uncover the key roles of glycolysis, the citric acid cycle, and oxidative phosphorylation. Differentiate between the efficiencies and electron acceptors of both respiration types.