BIOL 77924: General Biology

Discover the critical role iodide ions play in regulating metabolism through their involvement in thyroid hormones. Learn how active transport enables the movement of these ions in the body, requiring ATP energy. Uncover common sources of iodide ions and their importance in medical applications.

Dive into the biochemistry of haemoglobin, a pivotal protein in red blood cells. We assess key statements about its structure and function, clarifying common misconceptions.

Learn about the anatomy of the tibia, one of the lower leg bones, and discover how it's connected to the fibula through the interosseous membrane. Find out the correct answer regarding the tibia's structure and connections.

Discover the essential role of the mantle in mollusks, the protective tissue responsible for shell secretion or organ protection. Explore how land snails, clams, and octopuses utilize their mantles for distinct purposes.

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.

This video explores the distinction between innate and learned behaviors in animals. Innate behaviors are inborn and instinctive, while learned behaviors develop through experiences and observations, allowing animals to adapt to their environment and enhance their chances of survival.