BIOL 120: Principles of Biology

Explore the intricate layers of organization in the human body. From molecules to the complete organism, understand the sequential formation of our biological structure. Uncover the reasons behind incorrect hierarchical interpretations.

Explore the complexities of epithelium tissue and its diverse types. Understand their distinct functions, ranging from protection to secretion and absorption, and learn about their various locations in the body. Highlighting the significance of epithelial cells in vital physiological processes.

Explore the similarities and differences between the circulatory systems of amphibians and humans. Understand the distinctions in heart chambers, blood pressure, and where these two species align in their circulatory features.

We explore how to determine the nature of a mysterious, gelatinous substance found on a forest rock. By conducting a series of tests, including microscopy, DNA staining, respiration observation, and growth experiments, we aim to unravel whether this enigmatic material is alive, inanimate, or a product of a living organism.

Discover the distinctions between mixtures and solutions in chemistry. Through everyday examples and a visual aid, grasp the relationship between these two concepts. Comprehend how mixtures and solutions are intertwined, yet uniquely different.

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.