BIOL 1120: General Biology II

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.

Discover the pivotal genetic change behind the evolution of tetrapod limbs, focusing on a specific shift in the Hox gene expression. Unravel the significance of this change and its role in the spatial organization of body parts.

Unpack the intricate processes within photosynthesis and identify which is most directly powered by light energy. Discover the critical role of chlorophyll in capturing solar power.

Uncover the microscopic intricacies of compact and spongy bone structures. Learn about osteons, trabeculae, and the vital role of osteocytes. Dive into the balance of strength and functionality bones provide to our body.

Venture into the intricate mechanisms of a eukaryotic cell as we clarify the conditions under which transcription begins. Discover the pivotal role of the promoter and the essential docking of transcription factors.

Explore the profound impact of oceans on the biosphere in this video. Discover how oceans contribute to oxygen production, carbon dioxide absorption, and climate moderation, while also uncovering their limitations in regulating the pH of freshwater biomes and terrestrial groundwater.