PreparED Study Materials
BIOL 1003: Contemporary Issues in Biology
School: University of Oklahoma
Number of Notes and Study Guides Available: 1
Notes
Videos
Testing the Nature of a Mysterious Woodland Substance
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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.
Unsung Heroes: The Impact of Decomposers in Forest Health
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Discover the pivotal role of decomposers and detritivores in forest ecosystems. Understand the catastrophic consequences of their absence, from biomass accumulation to biodiversity loss. Learn how these unsung heroes maintain forest health and sustainability.
Cytokines: Body's Cellular Messengers & Immune Coordinators Explained
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Discover the multifaceted role of cytokines as the body's cellular messengers. Uncover their pivotal tasks in regulating immune and inflammatory responses. Dive into their significance in cell growth, differentiation, and inter-cellular communication.
Oparin's Heterotroph Hypothesis: Origins of First Organisms
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Explore the groundbreaking heterotroph hypothesis by Alexander Oparin. This video outlines how the first organisms likely consumed pre-existing organic matter reshaping how we think about the origins of life and evolution
Kidney's Role in Blood Filtration: A Detailed Look at Nephron Structur
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Uncover the vital role of the kidneys in blood filtration and electrolyte balance. Understand the significance of the glomerulus, Bowman's capsule, and renal structures in the filtration process. Grasp the journey of filtrate as it becomes urine within the renal system.
Invertebrate Evolution: Are Beetles Monophyletic?
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Explore the Evolutionary History of Invertebrates: Are Beetles Related? Discover the intricate web of invertebrate evolution, dating back over 500 million years, and why beetles and their invertebrate counterparts do not share a common ancestry.