PreparED Study Materials
BIOL 30233: Human Physiology
School: University of Colorado Denver
Number of Notes and Study Guides Available: 18
Notes
Study Guides
Videos
The Proton Gradient: Driving Force Behind ATP Synthesis Explained.
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the processes behind ATP synthesis during oxidative phosphorylation. Learn the pivotal role of the proton gradient in energizing ATP synthase. Visualize the interplay of cellular components producing the ATP symphony.
Decoding Cholesterol's Influence on Cell Membrane Function & Fluidity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how cholesterol, a substance found in our body and certain foods, significantly impacts cell membrane fluidity. Learn its varying effects under different temperatures and in diverse cellular lipid compositions. Uncover its indispensable role in nerve signal transmission and cellular health.
Action Potentials: Unveiling the Mystery of Unidirectional Transmissio
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the intricacies of action potentials in the nervous system. Unpack five statements on why they move in one direction, spotlighting the role of the refractory period. Grasp the significance of voltage-gated channels and ion flow in neural communication.
Erythropoietin (EPO): Red Cell Production & Performance Risks
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn about the role of Erythropoietin (EPO), a natural kidney hormone, in controlling red blood cell production and oxygen transport. Discover how athletes misuse synthetic EPO for performance enhancement, despite the associated health risks.
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