BIOL 101: General Biology 1

Explore the intricate world of phosphorylation cascades and their role in cellular signaling. Learn how protein kinases amplify external signals, guiding a cell's response. Decipher common misconceptions about these essential cellular processes.

Explore the pivotal role of neurotransmitter receptors in neuron communication. This video debunks misconceptions about their locations and highlights the integral part they play in transmitting signals between neurons. Discover why the postsynaptic membrane is the key player in this intricate dance of cellular messaging.

Explore the vital roles of pharyngeal slits in lancelets and tunicates. Learn how these clefts aid in filter-feeding, capturing food particles, and evolve through different life stages.

Discover the distinct identity of elements as we clarify the smallest unit that embodies their unique properties. Breaking down options such as electrons, isotopes, and elemental particles, this video offers a clear explanation of why atoms stand out.

Uncover the vital role of the kidneys in blood filtration and electrolyte balance. Understand the significance of the glomerulus, Bowman's capsule, and renal structures in the filtration process. Grasp the journey of filtrate as it becomes urine within the renal system.

Learn about male pattern baldness as we break down the science behind shrinking hair follicles and their effects on hair thinning. Learn why bald men still have hair follicles and what happens to them over time. Ideal for anyone keen to understand the biology of hair loss.