Bozeman Science
Environmental Matter Exchange
Paul Andersen explains how living organisms exchange matter with the environment. The importance of the surface area to volume ratio is emphasized using a simple mathematical model. The essential chemicals for life; water, carbon,...
SciShow
The Secret to Better Chocolate Was Inside Us All Along
Researchers have been able to engineer super-strong fibers made of muscle proteins with the help of protein-assembling microbes. And some other research might eliminate the need to temper chocolate, a part of the chocolate production...
SciShow
5 Times Animals Inspired Better Drugs
Scientists have been turning to the animal world for inspiration for a long time, including for medicines. And many different types of animals have been responsible for this inspiration, including sharks, spiders, and... roadkill.
Bozeman Science
Cellular Variation
Paul Andersen explains how variation is created within a cell. He starts by showing how molecular variation can increase fitness at the local level. He explains how an additional chlorophyll molecule allows plants to absorb more light...
SciShow
Maybe Life Doesn't Need Water, After All
Scientists have been searching for alien life by honing in on the existence of liquid water, but we might be overlooking some types of life out there that doesn't need water at all.
Amoeba Sisters
Inside the Cell Membrane
Explore the parts of the cell membrane with The Amoeba Sisters! Video discusses phospholipid bilayer, cholesterol, peripheral proteins, integral proteins, glycoproteins, and glycolipids - as well as why the surface area to volume ratio...
Bozeman Science
Cell Membranes
Paul Andersen explains how cells are selectively permeable with the help of their cell membrane. The main constituents of the cell membrane, including cholesterol, glycolipids, glycoproteins, phospholipids, and proteins are included. The...
Bozeman Science
Transport Across Cell Membranes
Paul Andersen describes how cells move materials across the cell membrane. All movement can be classified as passive or active. Passive transport, like diffusion, requires no energy as particles move along their gradient. Active...
Bozeman Science
Carbohydrates
Paul Andersen begins by explaining the structure and purpose of carbohydrates. He describes and gives examples of monosaccharides, disaccharides, oligosaccharide and polysaccharides. He explains how they grow through dehydration...
Bozeman Science
The Cell Membrane
Paul Andersen gives you a brief introduction to the cell membrane. He starts by describing amphipathic nature of a phospholipid and how it assembles into a membrane. He gives an overview of the fluid mosaic model inside cells. He also...
Curated Video
Phospholipids: types, structure and function
What exactly are phospholipids, and how do they contribute to the structure and function of cell membranes? In this video, we will explore the world of phospholipids, including their chemical structure, properties, and functions in the...
Curated Video
Amniotic fluid
A clear, yellowish fluid that surrounds the developing foetus in the amniotic sac within the mother's womb. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Phospholipid
A lipid that contains a phosphate group. Lipid molecules are normally hydrophobic, which means they repel water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Catalyst University
Lipid Biosynthesis Phospholipid Synthesis 2 Cholines, Serines, & Ethanolamines
Lipid Biosynthesis Phospholipid Synthesis 2 Cholines, Serines, & Ethanolamines
Catalyst University
Lipid Biosynthesis Phospholipid Synthesis 1 Inositols & Glycerols
Lipid Biosynthesis Phospholipid Synthesis 1 Inositols & Glycerols
Catalyst University
Biosynthesis of Phosphatidylinositols & Cardiolipin
Biosynthesis of Phosphatidylinositols & Cardiolipin
Catalyst University
Coagulation | The Intrinsic Pathway of Coagulation
Coagulation | The Intrinsic Pathway of Coagulation
Catalyst University
Lecithinase Test | Theory & Results
In this video, we explore the theory and interpretation of results for the lecithinase test in microbiology.
Catalyst University
Endocannabinoids [Part 1] | Biosynthesis of Anandamide & 2-AG
In this video, we explore the biosynthesis of the 2 major endocannabinoids: anandamide (AEA) and 2-arachidonoyl-glycerol (2-AG).
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...
Ancient Lights Media
Cells - Plasma Membrane
Cell Structure and Function Set: 11. This clip examines the structure and function of the plasma or cell membrane.
FuseSchool
Fluid mosaic model
We each have between 30 and 40 trillion cells in our body. With each cell containing our DNA, special cell machinery and the nutrients to keep our cells and us alive. But you may not have given much thought for the special protective...