BIOL 110: Biology

Explore the captivating Oparin-Haldane hypothesis, detailing the three key steps in the journey from non-life to life. Witness the emergence of organic molecules through non-biological processes, the formation of complex molecules, and the ultimate leap to self-replicating DNA. Join us on this scientific exploration of life's origins.

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 intricacies of action potentials in the nervous system. Unpack five statements on why they move in one direction, spotlighting the role of the refractory period. Grasp the significance of voltage-gated channels and ion flow in neural communication.

Explore the fascinating intersection of human and prokaryotic genetics revealing that both contain about 1000 shared genes despite their complexity difference. The video explains how this common genetic heritage can be traced back to a universal ancestor covering the essential functions these genes perform like metabolism and DNA replication.

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.

Explore the world of Spirillum bacteria, their spiral shape, and their distinct features. Contrast them with Spirochetes, highlighting differences in flagella and structure. Understand key characteristics that set Spirillum apart from other bacteria.