PreparED Study Materials
Notes
Videos
Unraveling the Shared Anatomical Secrets of Vertebrates and Tunicates
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fascinating world of vertebrates and tunicates in this video answer. Learn about their shared anatomical features including notochords and dorsal hollow nerve cords that reveal their closely linked evolutionary history
Understanding Epithelium: Types, Functions & Locations Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the complexities of epithelium tissue and its diverse types. Understand their distinct functions, ranging from protection to secretion and absorption, and learn about their various locations in the body. Highlighting the significance of epithelial cells in vital physiological processes.
What Process Involves Ion-Driven Molecule Transport in Opposite Direct
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In cell biology, the "driving ion" is a pivotal concept. It refers to ions moving from areas of high to low concentration, generating energy for various cellular transport processes. This gradient is crucial for nutrient uptake and waste elimination. Multiple processes involve a driving ion, including facilitated diffusion, symport transport, primary active transport pumps, and cotransport. Facilitated diffusion aids molecule movement along their gradient, while symport moves multiple substance
Eukaryotic DNA: Cohesin, Chromatids & Chromatin Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the intricacies of a eukaryotic cell, its DNA structure, and the proteins that aid its function. Delve into the roles of cohesin, condensin, and histones, and discover the difference between chromatin, nucleosomes, and sister chromatids. Gain clarity on the pivotal structure ensuring successful cell division.
Wernicke's Area Damage: Impact on Movement, Speech, or Language?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the critical role of Wernicke's area in language comprehension named after German neurologist Carl Wernicke. Understand what happens when this brain region is damaged. By the end of the video you'll know that damage to Wernicke's area affects understanding language
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.