BIOL 261: General Microbiology

Discover the captivating world of chemical bonds, from the basic definition to types and specific examples like ammonia. Delve into ionic, covalent, and hydrogen bonds and their distinct characteristics. Understand the unequal electron sharing in ammonia leading to polar covalent bonds.

Explore the critical role of phospholipids in forming cell membranes across various organisms. Understand their unique amphipathic properties and their influence on cellular processes, from transport to signaling.

Discover the concept of adaptation in this video, where we evaluate four scenarios to determine which represents a heritable trait enhancing an organism's survival in its environment. Learn how the webbed feet of a duck exemplify a true adaptation, enabling it to thrive in its habitat.

Unlock the secrets of ATP's essential role in powering life's processes. Discover why ATP is a specialized molecule that stores energy for your cells. Learn how to differentiate between common misconceptions and the real function of ATP.

Explore the world of spontaneous reactions, focusing on cellular respiration. Learn how our cells convert glucose into energy-rich ATP, driving vital life functions.

Learn about the path of blood flow in the mammalian heart and circulatory system. Discover how oxygen-rich blood from the lungs enters the left atrium and understand why other statements about blood flow are incorrect.