Neuro Transmissions
What is a Neuron?
The neuron. It is perhaps the most important cell in the human body. We have billions in our body and together they form a superhighway that sends information throughout our mind and body. But can you name the different parts? Alie...
Ancient Lights Media
Introduction to Translation & Proteins
Genetic Expression Set: 5. This clip offers a simple look at the translation of M-RNA into protein. Some of the biological roles of proteins are presented as well.
Professor Dave Explains
Regulation of Gene Expression: Operons, Epigenetics, and Transcription Factors
We learned about gene expression in biochemistry, which is comprised of transcription and translation, and referred to as the "central dogma" of molecular biology. But how is this process regulated? How does a cell know which genes to...
Ancient Lights Media
Transcribing DNA into m-RNA
Genetic Expression Set: 4. This clip takes a detailed look at the complicated process of genetic transcription.
Ancient Lights Media
Translation of m-RNA into Protein
Genetic Expression Set: 6. This clip provides a detailed look at the translation of M RNA into protein.
FuseSchool
What Is Cancer?
What happens to cells for cancerous growths to occur? Your body is made up of millions and millions of cells. In fact there are between 50 and 75 trillion cells in the body. These cells are dying and being replaced all the time. Cancer...
FuseSchool
What Are Proteins
In this video, we are going to discuss the structure and uses of protein molecules. Proteins are long-chain molecules made of strings of amino acids joined together. All amino acids are compounds with a similar basic structure: they have...
Visual Learning Systems
Understanding Proteins
This video provides an overview of the importance of proteins as a nutrient for the human body. The video also discusses the different types of amino acids and how complete proteins contain all 20 different kinds.
Nutrition Basics part...
FuseSchool
Protein in the diet
What we put in to our bodies is important to keep it working! We need to eat a balanced diet, to make sure our body gets everything it needs to carry out its activities. Our diet should include; fatty acids or lipids, carbohydrates,...
Mazz Media
Muscle Function
This live-action video program is about muscle function. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...
Professor Dave Explains
The Immune System: Innate Defenses and Adaptive Defenses
There are so many critters out there, bacteria and viruses that want to wreak havoc in our bodies. How do we defend ourselves against such tiny threats? The immune system! This is quite possibly the most profoundly remarkable aspect of...
FuseSchool
Enzymes
Enzymes are really important proteins, that speed up the rates of reactions such as in photosynthesis, respiration and protein synthesis. The enzymes and substrates are always moving, and occasionally they collide at the right speed and...
Curated Video
What is DNA and How Does it Work?
DNA (deoxyribonucleic acid) is a molecule that is often called the blueprint of life. Located in the nucleus, the DNA is a very long molecule with a helix winding structure like a twisted ladder. The rungs of the ladder are made of four...
Curated Video
The Importance and Hazards of Sulfur
This video explains the properties and uses of sulfur, an element that has been known since ancient times. They discuss its yellow crystal and powder forms, its role in the production of sulfuric acid and fertilizers, its use in cleaning...
Professor Dave Explains
Enzymes: Nature's Factory Workers
What are enzymes? Why they're nature's little factory workers. They chop up certain things! They build up others! Pretty amazing the kind of chemistry nature can do given enormous polypeptide chains with unfathomable variability and...
Professor Dave Explains
Widefield and Confocal Fluorescence Microscopy
We just learned about electron microscopy, so what was the next major innovation in microscopy in the 20th century? That would be fluorescence microscopy, of both the widefield and confocal varieties. How does this work? What is...
Professor Dave Explains
What is Cancer?
Cancer is the ultimate expiration date for biological life. But what is it? How does it occur? Is there anything we can do about it? Let's take a brief look at this incredibly complex issue.
Professor Dave Explains
Biochemist María del Mar Maldonado (Get to Know a Scientist!)
Maria is a biochemist from Puerto Rico! Actually technically she is both a biochemist and a pharmacist, since she has a dual degree called a Pharm.D-PhD. Her research centers around metastatic breast cancer, so let's check out precisely...
Science360
Nutrition, Hydration & Health - Science of NFL Football
"Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League. In this segment, NBC's Lester Holt looks at the physically demanding pre-season...
Professor Dave Explains
The Composition and Function of Blood
Of course we all know what blood is, and everyone has had at least a minor injury involving blood. But what is it exactly? What's it made of? What does it do? Why do we die if we lose enough of it? Let's check out each component of blood...
Professor Dave Explains
Protein Structure
Everyone has heard of proteins. What are they on the molecular level? They're polymers of amino acids, of course. They make up most of your body, so we have to understand their structure very well! Check this out to learn the hierarchy...
Let's Tute
Cell Organelles and Functions - Nucleus & Endoplasmic Reticulum
In this online video lecture and tutorial on Cell Biology we will learn about various components of cell like nucleus,cell organelles, endoplasmic reticulum etc. In this session we will learn about: 1) Cell Organelles 2) Cellular...
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...
Visual Learning Systems
Exploring the Digestive and Excretory Systems: the Role of Digestion
This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...