PreparED Study Materials
Notes
Videos
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.
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.
Organic Chemistry Demystified: The Vital Role of Carbon Compounds"
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Explore the fascinating realm of organic chemistry and its emphasis on carbon compounds. Understand how organic molecules, pivotal to life, are intricately composed. Gain insight into the properties and relationships that make these compounds essential.
Examples of Adaptation: Human Nutrition, Duck's Webbed Feet, Raccoon's
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Discover the concept of adaptation in this video, where we evaluate four scenarios to determine which represents a heritable trait enhancing an organism's survival in its environment. Learn how the webbed feet of a duck exemplify a true adaptation, enabling it to thrive in its habitat.
Muscle Tissues Unveiled: Distinct Characteristics & Functional Differe
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Explore the distinct characteristics of muscle tissues and their functions. Understand the differences between skeletal, cardiac, and smooth muscles. Get insights into the anatomy of striations, cell shapes, and nuclei.
Nucleic Acids 101: Unpacking the Building Blocks of Genetic Info
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Nucleic acids, comprising DNA and RNA, are vital biomolecules encoding genetic information. We explore the structure and components of their monomers, nucleotides, emphasizing the role of nitrogenous bases and the significance of polynucleotide chains in storing genetic data.