PreparED Study Materials
BIOL 300: Cellular and Molecular Biology
School: Virginia Commonwealth University
Number of Notes and Study Guides Available: 5
Notes
Videos
Body's Use of Iodide Ions: Their Metabolic & Medical Roles
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the critical role iodide ions play in regulating metabolism through their involvement in thyroid hormones. Learn how active transport enables the movement of these ions in the body, requiring ATP energy. Uncover common sources of iodide ions and their importance in medical applications.
Photosynthesis Uncovered: Which Step is Directly Powered by Light?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the intricate processes within photosynthesis and identify which is most directly powered by light energy. Discover the critical role of chlorophyll in capturing solar power.
Epiglottis & Glottis: Guardians of Breath and Swallow
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn about the critical roles of the epiglottis and glottis in our respiratory and digestive systems. Understand how the epiglottis acts as a protective gate during swallowing, while the glottis facilitates sound production. Together, they ensure safe breathing and swallowing.
Photosynthesis Explained: Transforming Sunlight into Sugars in Plants
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the intricate process of photosynthesis, revealing the two major stages within chloroplasts. Discover the vital roles of ATP and NADPH in the Calvin Cycle. Grasp the essence of how plants fuel life on Earth.
Na+ Channels: Open at Resting Potential or Threshold?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Organismic Unity: Evolution to DNA's Universal Bond
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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