BIOL 2335: General Ecology

Get acquainted with the intricate details of the vertebrae, from typical structure components to the unique traits of cervical, thoracic, and lumbar vertebrae. Enhance your grasp of the spinal column's sophistication and importance in human anatomy.

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.

Unravel the intricate relationship between histones and DNA. Learn how histones maintain DNA structure within the cell nucleus and understand the significance of charge attractions in DNA-histone binding.

Discover the precise organization of thin and thick filaments in muscle cells as we debunk misconceptions and highlight the vital role of sarcomeres in muscle contraction.

Discover why most cells are unable to utilize heat for work by exploring the principles of cellular thermodynamics. Learn how heat, as a form of kinetic energy, relates to cellular processes and why uniform temperature distribution within cells hinders their ability to harness heat effectively. Uncover the key factors that determine why cells can't perform work using heat.

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.