PreparED Study Materials
Notes
Videos
Haemoglobin Explained: Dissecting Its Structure & Oxygen Binding Capab
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Dive into the biochemistry of haemoglobin, a pivotal protein in red blood cells. We assess key statements about its structure and function, clarifying common misconceptions.
Unmasking the ANS: Insights into Our Involuntary Body Controls
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Unravel the intricacies of the Autonomic Nervous System (ANS) and its pivotal role in controlling involuntary bodily functions. Differentiate between the sympathetic and parasympathetic systems and their unique contributions. Debunk misconceptions surrounding the ANS's characteristics.
Metanephridia vs. Nephrons: Earthworm & Mammal Waste Management
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This videos teaches the mechanisms behind waste elimination in earthworms and mammals. Learn how metanephridia in earthworms and nephrons in mammalian kidneys work differently to perform crucial functions. Clear up common misconceptions and deepen your understanding of these biological systems.
Eukaryotic DNA: Cohesin, Chromatids & Chromatin Explained
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Unravel the intricacies of a eukaryotic cell, its DNA structure, and the proteins that aid its function. Delve into the roles of cohesin, condensin, and histones, and discover the difference between chromatin, nucleosomes, and sister chromatids. Gain clarity on the pivotal structure ensuring successful cell division.
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.
Survival Struggles: Cowbird Intrusion in Chipping Sparrow Nest
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Explore the complex dynamics of bird behavior in a serene North American forest setting. Witness the challenges faced by a diligent chipping sparrow as it tends to its nest, while an intruder lurks nearby. Delve into the fascinating world of symbiotic relationships in the animal kingdom and the impact they have on wildlife survival.

















