This week, Mister Brown joins Squeaks to answer a bunch more of your questions about the Earth and about our bodies!

The Amoeba Sisters explain enzymes and how they interact with their substrates. Vocabulary covered includes active site, induced fit, coenzyme, and cofactor. Also the importance of ideal pH and temperatures for enzymes are discussed.

Howcast - Learn about lactose intolerance from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems and digestive disorders.

When 2 monosaccharides come together and form a glycosidic bond, they become a disaccharide. In this video, we will be looking at the structure and examples of disaccharides we find in nature.

When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mothers milk because they carry the enzyme...

Lactose intolerance

In this video, Justin from the Institute of Human Anatomy discusses the how lactose in metabolized in the body, the eventual slowdown and ceasing of lactase, what happens to the colon when bacteria start consuming lactose, and the...

Dr. Algae talks about the importance of choosing healthy foods to eat. He revisits The Fabulous Five Food Groups and focuses this lesson on the milk group.

Chronic Diarrhea | Approach to Causes, Secretory vs Osmotic vs Inflammatory, Watery vs Bloody Diarrhea



Chronic diarrhea is diarrhea occurring for greater than 2-4 weeks, and it is broadly categorized into secretory, osmotic,...

Chinese scientists say they have developed the world's first genetically modified calf that will produce low-lactose milk. Scientists at Inner Mongolia University injected genes from bacteria-like organisms known as archaea into cells...

Best & Worst Foods to Eat with Irritable Bowel Syndrome (IBS) | How to Reduce Risk and Symptoms of IBS



IBS is a functional bowel disorder involving intermittent and chronic abdominal pain that is associated with changes in...

1) What is the function of the enzyme, lactase? 2) What is the cause of the flatulence and diarrhea associated with lactose intolerance?

When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mother’s milk because they carry the...