BIOL 144: BIOL 144

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 intricate details of the pelvis anatomy as we analyze and correct misconceptions about its structure and components, using sketches for clarity.

Understand the essence of controlled experiments and the significance of control groups. Unpack the common misconceptions associated with experimental design. Grasp the key factors that make an experiment truly controlled.

Learn about mouse genetics and the implications of dominant and recessive genes on coat color. We'll use a Punnett square to predict offspring coat patterns by crossing two heterozygous mice. Learn how phenotype ratios like 9 Agouti: 4 white: 3 black help us understand genetic outcomes.

Explore the intricate workings of exergonic redox reactions, their energy release dynamics, and their crucial role in the mitochondria. Understand the Electron Transport Chain's role and how these reactions drive ATP synthesis via chemiosmosis.

Unpack the properties and significance of unsaturated fats in our diet. Explore the importance of double bonds in the fatty acid chains. Conclude with an insightful evaluation of statements about unsaturated fats.