PreparED Study Materials
BIOL 202: Genetics and Evolution
School: Duke University
Number of Notes and Study Guides Available: 0
Videos
Deciphering Stem Cell Origins: The Lineage of Blood Cell Types Explore
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Unravel the origins of blood cell types as we differentiate between myeloid and lymphoid stem cells, highlighting the unique lineage of platelets, B cells, and Natural Killer cells.
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.
Meal to Digestion: Grasping Distension & Body's Control Center
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Discover what happens in your body after a hearty meal! Learn about the concept of 'distension' and how nerve cells act as messengers to your control center, orchestrating the digestive process.
Na+ Channels: Open at Resting Potential or Threshold?
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Discover the mechanics of voltage-gated Na+ channels and their role in neuron activity. This video breaks down key neuronal terms like resting potential and threshold to explain precisely when these channels open. You'll come away understanding that voltage-gated Na+ channels open at the threshold state initiating an action potential.
Lymphocytes and Immunocompetence: Unpacking Their Developmental Sites
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Discover the intricacies of lymphocytes, vital immune system cells, as we uncover where they develop the ability to effectively combat foreign invaders and the unique roles of T and B lymphocytes and NK cells.
Protobionts: Pioneers of Life's Transition from Molecules to Cells
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Discover the significance of protobionts in the evolution of life, acting as a bridge from non-living to living entities. Understand their boundary formations akin to cell membranes and their rudimentary replication methods. Gain insights into the pivotal role they played in life's origin story.









