Bozeman Science
The Endocrine System
Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions...
Bozeman Science
The Endocrine System
Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions...
Bozeman Science
Viruses
Paul Andersen describes the important characteristics of viruses. He starts with a brief description of origin theories. He then describes the two characteristics of all viruses; genetic information and protein coats. He also describes...
MinuteEarth
Why Water Dissolves (Almost) Everything
Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?
Bozeman Science
Bacteria
Paul Andersen describes the defining characteristics of the domain Eubacteria. He begins with a quick description of the phylogeny of bacteria and horizontal gene transfer. He then surveys the structures of a bacteria; nucleoid region,...
Journey to the Microcosmos
The Terrifying Viruses of the Microcosmos
Even in the microcosmos, it's important to stay inside if you want to avoid a virus.
msvgo
Mechanism of Hormone Action
Explain the mechanism of action of steroid and non-steroidal hormones.
Next Animation Studio
How soap destroys a virus
Washing your hands thoroughly with soap is one of the most effective ways to eliminate SARS-CoV-2, the virus that causes COVID-19, from your skin, according to Taiwan’s Centers for Disease Control.
Professor Dave Explains
Structure of the Cell Membrane - Active and Passive Transport
What is it that separates what's inside a cell from what's outside of a cell? Why, that's the cell membrane. What's it made out of? How does it work? How do molecules get in and out of the cell? These are super-important concepts! Let's...
Sophia Learning
Sophia: Plasma Membrane
This lesson will describe the structure and function of the plasma membrane of a cell.