BIOL 11000: Fundamentals Of Biology I

Grasp the fundamentals of how neurons transmit electrical signals through action potentials. Understand the crucial role of myelination and fiber diameter in efficient nerve impulse conduction. Dive into the comparisons of different nerve fiber types and their properties.

Explore the mysterious rise of MRSA following a battle against S. aureus with methicillin. Delve into various theories, and uncover the power of natural selection in shaping bacterial communities.

Learn why lipid-soluble signaling molecules like aldosterone only impact specific target cells. We discuss four theories and reveal that intracellular receptors present only in target cells are the key. This video demystifies the unique mechanism behind aldosterone's selective action.

Discover the precise organization of thin and thick filaments in muscle cells as we debunk misconceptions and highlight the vital role of sarcomeres in muscle contraction.

Explore the distinct characteristics of muscle tissues and their functions. Understand the differences between skeletal, cardiac, and smooth muscles. Get insights into the anatomy of striations, cell shapes, and nuclei.

Explore the intricate process of mitosis and the crucial role it plays in cellular division. Learn how cell cycle control mechanisms, including cyclin degradation and Maturation Promoting Factor (MPF) activity, ensure accurate and regulated cell division.