PreparED Study Materials
BISC 2207: Genetics
School: George Washington University
Number of Notes and Study Guides Available: 1
Notes
Videos
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.
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.
Mitochondrial Magic: How Exergonic Redox Reactions Power ATP Synthesis
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Explore the intricate workings of exergonic redox reactions, their energy release dynamics, and their crucial role in the mitochondria. Understand the Electron Transport Chain's role and how these reactions drive ATP synthesis via chemiosmosis.
Organismic Unity: Evolution to DNA's Universal Bond
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Explore the key concepts that might illustrate the unity among all organisms including emergent properties descent with modification and natural selection. Understand why the structure and function of DNA ultimately stand as the best example of this unity
White Rami Communicantes: Unraveling Their Role in Nervous System Conn
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Explore the integral role of white rami communicantes within the autonomic nervous system. This video clarifies their function, anatomical location, and the specific nerve fibers they contain, highlighting their importance in our body's fight-or-flight response.
Decoding Phosphorylation Cascades: Amplification & Cellular Signaling
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Explore the intricate world of phosphorylation cascades and their role in cellular signaling. Learn how protein kinases amplify external signals, guiding a cell's response. Decipher common misconceptions about these essential cellular processes.