PreparED Study Materials
Videos
Bacterial Genetic Variation: Meiosis Excluded from the Equation
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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.
How Natural Selection Led to the Emergence of MRSA in a Community
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Explore the mysterious rise of MRSA following a battle against S. aureus with methicillin. Delve into various theories, and uncover the power of natural selection in shaping bacterial communities.
Baldness & Hair Follicles: Delving into Hair Miniaturization
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Learn about male pattern baldness as we break down the science behind shrinking hair follicles and their effects on hair thinning. Learn why bald men still have hair follicles and what happens to them over time. Ideal for anyone keen to understand the biology of hair loss.
Cortical Reaction in Sea Urchin Eggs: Fertilization Myths & Realities
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Discover the complex world of sea urchin reproduction, focusing on the essential role the cortical reaction plays in egg fertilization. Uncover common myths surrounding this process and learn what actually happens at the cellular level. Gain insight into how the formation of a fertilization envelope is crucial for successful fertilization.
Nucleotide Replication: Prokaryotes vs. Eukaryotes Rate Comparison
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This data-driven video examines the difference in nucleotide replication rates between prokaryotes and eukaryotes, providing insights into the factors affecting their speed. It concludes that prokaryotes outpace eukaryotes, replicating nucleotides approximately ten times faster, and explores the contributing factors behind this difference.
Bone Marking for Nutrient Foramen: Hole, Facet, Canal?
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Explore the structure of bones and the key role of the nutrient foramen a small but vital hole. This video will help you understand why this marking is essential for bone health. Discover the answer to what kind of bone marking the nutrient foramen forms


















