PreparED Study Materials
BIOL 003: Intro Biology
School: Los Angeles Valley College
Number of Notes and Study Guides Available: 15
Notes
Study Guides
Videos
Why Lower Trophic Levels Reduce Toxin Exposure: A Biological Insight
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the process of biological magnification in the food chain and learn why consuming foods from lower trophic levels minimizes toxin exposure. Grasp the implications of human-induced pollutants and the benefits of dietary diversity.
Unlocking Muscle Contraction: The Pivotal Role of Calcium & Other Elem
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricacies of muscle contraction and the pivotal role played by elements like Calcium, Sodium, Potassium, and Chloride. Learn how Calcium directly triggers contraction by interacting with troponin and actin filaments. A thorough breakdown of each element's unique contribution to our body's movement.
Non-Analogous Stains: Nigrosin vs. Crystal Violet & Beyond
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the nuances of stain functionality in microbiology with a focus on identifying non-functionally analogous pairs. This video provides an in-depth comparison of commonly used stains like Nigrosin Malachite Green and Crystal Violet.
Sarcolemma: The Key to Muscle Fiber Function and Coordinated Contracti
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the anatomy and function of muscle fibers, focusing on the critical role of the sarcolemma. Delve into the significance of myofibrils, sarcoplasm, and T-tubules. Understand the intricacies of muscle contraction and the cell's role in it.
Decoding Muscle Cells: The Crucial Role of Sarcomeres Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Membrane Fluidity: Lipids' Dance in the Cell's Dynamic Boundary
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the dynamic nature of the cell's lipid bilayer. Delve into the roles of unsaturated and saturated phospholipids in membrane fluidity. Understand temperature's influence on this vital cellular component.