PreparED Study Materials
EEMB 138: EEMB 138
School: University of California Santa Barbara
Number of Notes and Study Guides Available: 0
Videos
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:
full solution
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.
RFLP: Unlocking DNA Variations with Molecular Scissors
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the concept of Restriction Fragment Length Polymorphism (RFLP), exploring the significance of DNA fragment variations. Learn how restriction enzymes act as molecular scissors, leading to insights into genetic disorders, biodiversity, and more.
Is learning always superior to instinct?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explores the distinction between innate and learned behaviors in animals. Innate behaviors are inborn and instinctive, while learned behaviors develop through experiences and observations, allowing animals to adapt to their environment and enhance their chances of survival.
Uncovering Population Ecology: Cohort Monitoring and Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the significance of tracking same-age cohorts in population ecology. Learn how it aids in understanding birth and death rates, predicting population trends, and uncover the reasons behind this crucial ecological research practice.
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:
full solution
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.
Cell Specialization Origins: Ectoderm, Mesoderm & Endoderm Roles
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the origins of specialized cells in embryonic development and learn about the three essential germ layers: ectoderm, mesoderm, and endoderm. Explore how these layers form the foundation for all multicellular life.








