SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
Bozeman Science
Reaction Intermediates
In this video Paul Andersen explains how reaction intermediates are created in elementary steps and may not appear as either a reactant or product. Experimentation is used in Chemistry to identify reaction intermediates.
SciShow
Does Lactic Acid Really Cause Muscle Pain?
For decades, lactic acid has taken the blame for the muscle pain you feel when you exercise - but does it really deserve its bad reputation?
Amoeba Sisters
Aerobic Cellular Respiration in Eukaryotic Cells
Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before...
Bozeman Science
Photosynthesis and Respiration
Paul Andersen details the processes of photosynthesis and respiration in this video on free energy capture and storage. Autotrophs use the light reactions and the Calvin cycle to convert energy from the Sun into sugars. Autotrophs and...
Bozeman Science
Life Requires Free Energy
Paul Andersen describes how free energy is used by organisms to grow, maintain order, and reproduce. A brief discussion of the first and second law of thermodynamics is also included. Disruptions in the amount of free energy can cause...
Amoeba Sisters
Fermentation
What happens when you can't do aerobic cellular respiration because oxygen isn't available? Explore fermentation with The Amoeba Sisters! This video focuses on alcoholic fermentation and lactic acid fermentation, and it also mentions how...
Crash Course
ATP & Respiration: Crash Course Biology
In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.
Bozeman Science
Anaerobic Respiration
Paul Andersen explains the process of anaerobic respiration. This process involves glycolysis and fermentation and allows organisms to survive without oxygen. Lactic acid fermentation is used in animals and bacteria and uses lactate as...
Bozeman Science
Cellular Respiration
Paul Andersen covers the processes of aerobic and anaerobic cellular respiration. He starts with a brief description of the two processes. He then describes the important parts of the mitochondria. He explains how energy is transferred...
Curated Video
Biochemistry
The study of chemical reactions in living organisms, the chemistry of life. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Cytoplasm
The thick liquidy medium that fills all cells, and is contained by the cell membrane. The cytoplasm is where most of the cell's chemical reactions, such as glycolysis, take place. A Twig Science Glossary Film. Key scientific terms...
Curated Video
Anaerobic Respiration: Energy Production Without Oxygen
Cellular respiration in the absence of oxygen. Like aerobic respiration, it converts glucose into usable energy, in the form of ATP. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Science Buddies
What Sugar And Tea Does a Kombucha Biofilm Prefer?
See how changing the tea or sugar used by a SCOBY biofilm impacts fermentation by measuring the biochemistry of the kombucha solution over time.
Curated Video
Fermentation
Fermentation analyzes the process of fermentation by describing how cells and organisms acquire and release energy.
Curated Video
Cellular Respiration
Cellular Respiration analyzes the process of cellular respiration by describing how cells and organisms acquire and release energy.
Catalyst University
Amino Acid Biosynthesis - Biosynthesis of Chorismate
Amino Acid Biosynthesis Biosynthesis of Chorismate
Catalyst University
Overview of Metabolism [Part 1] | Glycolysis, β-oxidation, Glycogen Metabolism, & Lactose Metabolism
This video is part of a series in which we do an overview of metabolism and pathways. Specifically, this video covers glycolysis, β-oxidation, glycogen metabolism, and lactose metabolism.
Catalyst University
Intestinal Production of Hydrogen Gas (H2) by Bacteria for Reduced Coenzymes
Bacteria of the human intestinal microbiome generate hydrogen gas (H2). Hydrogen gas is used by these same bacteria for methanogenesis, a biochemical pathway which generates methane. Here, we will discuss this process.
Catalyst University
NEW!!! L-Lactate Dehydrogenase: Physiology, Biochemisty, and Mechanism
NEW!!! L-Lactate Dehydrogenase: Physiology, Biochemisty, and Mechanism
Catalyst University
Metabolic Roadmap Part 1: Glucose Metabolism
Metabolic Roadmap Part 1: Glucose Metabolism