PreparED Study Materials
Videos
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.
Energy Release: Oxidizing Sucrose, ADP to ATP or Glucose?
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Discover which biochemical reaction liberates the most energy comparing options like oxidizing sucrose converting ADP to ATP and cellular respiration. This video offers detailed explanations of each reaction's energy output helping you understand their roles in biological systems.
Simplifying Phylogenetic Trees: Parsimony & Evolutionary Change
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Explore the application of parsimony in constructing phylogenetic trees, emphasizing simplicity in scientific explanations and its relation to evolutionary changes. Learn about various options for tree construction and the core concept of choosing the most parsimonious representation
Facultatively Anaerobic Cells: Mastering Growth in Any Oxygen Environm
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Learn about the unique adaptability of facultatively anaerobic cells in different oxygen conditions. Discover the outcome of an experiment comparing their growth in aerobic and anaerobic environments. Grasp the resilience of these cells and their growth mechanisms.
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
Uncovering Food Chain Lengths: The Role of Energy Transfer Efficiency
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Unravel the mysteries of food chain lengths by analyzing various factors. We spotlight the 10% rule in ecology, emphasizing how energy transfer inefficiencies mold ecosystem structures and functions.

