PreparED Study Materials
BI 334: Molecular Biology
School: Portland State University
Number of Notes and Study Guides Available: 0
Videos
Skin's Vital Roles: From Thermoregulation to Sensory Perception Explai
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Explore the multifaceted roles of the skin, from protective barrier functions to sensory reception. Understand the distinction between the epidermal and dermal layers. Appreciate the comprehensive functionalities of the integumentary system.
First Video In Our Three Part Series for Midterms
Intro to Biology: Cell Structure, Function & Evolution Unraveled
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Explore the intricate world of cells, from the simplicity of prokaryotes to the advanced complexity of eukaryotes. Dive into cell structures and their functions, revealing the evolutionary journey of cellular design. Understand key processes like mitosis, meiosis, and the cell cycle, and how they underpin life itself. This video offers a captivating look at the marvels of cellular evolution, providing clarity on their roles in sustaining and diversifying life on Earth.
Charged Electroscope: Conductor Between Foils' Impact
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Explore the fascinating interaction between electrical energy charge and materials through the lens of an electroscope. Discover how inserting a conductor between its charged foil sheets changes the charge dynamics leading to an attraction between foil and needle. Understand the roles of conductors insulators and charge induction in this intriguing experiment.
Proprioceptors Exclude: Spindles, Tendons, Discs, or Joints?
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Explore the world of proprioceptors specialized sensory receptors in joints muscles and tendons that help us sense body movement and position. Understand the key types such as muscle spindles tendon organs and joint kinesthetic receptors. Learn why tactile discs are not considered proprioceptors even though they are sensory receptors
Unsaturated Fats: The Double Bond Truth in Our Diet
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Unpack the properties and significance of unsaturated fats in our diet. Explore the importance of double bonds in the fatty acid chains. Conclude with an insightful evaluation of statements about unsaturated fats.
Biodiversity Threats: Spotlight on Habitat Alterations & Solutions
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Explore the crucial concept of biodiversity and its significance. Learn about the various threats it faces, from pollution to habitat destruction. Emphasize the paramount threat: habitat alterations and their implications.


















