PreparED Study Materials
BIOL 201: Introductory Biology
School: Concordia University
Number of Notes and Study Guides Available: 1
Notes
Videos
Unraveling Human Body's Structural Sequence from Molecules to Organism
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricate layers of organization in the human body. From molecules to the complete organism, understand the sequential formation of our biological structure. Uncover the reasons behind incorrect hierarchical interpretations.
Unlocking Atomic Reactivity: The Role of Unpaired Electrons Explained.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fundamentals of atomic reactivity by evaluating the influence of electron shells, orbitals, and energy levels. This video highlights the pivotal role unpaired electrons play in determining how and why elements react, making it a cornerstone for chemistry enthusiasts.
Arteries by Heart: More Endothelium, Muscle, Elastic?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.
Action Potentials: Unveiling the Mystery of Unidirectional Transmissio
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the intricacies of action potentials in the nervous system. Unpack five statements on why they move in one direction, spotlighting the role of the refractory period. Grasp the significance of voltage-gated channels and ion flow in neural communication.
Bacterial Genetic Variation: Meiosis Excluded from the Equation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the world of microbiology in this video as we investigate the processes that lead to genetic variation in bacterial populations. Learn about transduction, transformation, conjugation, and mutation, and discover why meiosis, a process occurring in sexually reproducing organisms, is not a source of genetic variation in bacteria.
Testing the Nature of a Mysterious Woodland Substance
Want To Learn More? To watch the entire video and ALL of the videos in the series:
We explore how to determine the nature of a mysterious, gelatinous substance found on a forest rock. By conducting a series of tests, including microscopy, DNA staining, respiration observation, and growth experiments, we aim to unravel whether this enigmatic material is alive, inanimate, or a product of a living organism.