PreparED Study Materials
BIOL 109: Human Biology
School: Northern Illinois University
Number of Notes and Study Guides Available: 5
Notes
Study Guides
Videos
Why Flamingos Are Pink: The Role of Diet in Coloration
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Uncover why flamingos, genetically predisposed to white feathers, sport a pink hue. Dismissing influences like weather and DNA mutations, the mystery unravels with diet: the intake of carotenoids from their food which overrides their genetic blueprint
Eukaryotic Cell Anatomy: From Membrane to Cytoskeleton
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Explore the intricate eukaryotic cell structure, from the protective plasma membrane to the vital organelles. Learn how DNA, ribosomes, and the cytoskeleton play pivotal roles in cellular function. Dive deep into the world of mitochondria, ER, and the Golgi apparatus.
Erythropoietin (EPO): Red Cell Production & Performance Risks
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Learn about the role of Erythropoietin (EPO), a natural kidney hormone, in controlling red blood cell production and oxygen transport. Discover how athletes misuse synthetic EPO for performance enhancement, despite the associated health risks.
Membrane Fluidity: Lipids' Dance in the Cell's Dynamic Boundary
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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.
Unveiling Life's Origin: Oparin-Haldane Hypothesis Demystified
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Explore the captivating Oparin-Haldane hypothesis, detailing the three key steps in the journey from non-life to life. Witness the emergence of organic molecules through non-biological processes, the formation of complex molecules, and the ultimate leap to self-replicating DNA. Join us on this scientific exploration of life's origins.