Paul Andersen explains how enzymes are used to break down substrates. The correct shape of the active site allows a key/lock fit between the enzyme and the substrate. The enzyme catalase is used to break down hydrogen peroxide. The...

Paul Andersen starts with a brief description of enzymes and substrates. He then explains how you can measure the rate of an enzyme mediated reaction. Catalase from yeast is used to break hydrogen peroxide down into water and oxygen. ...

Blood banks need a constant supply of donors to maintain their supply, but some enzymes that are already in our bodies might be able to help!

Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...

Some science to go along with that board of cheese at the party.

This video discusses the topic of minimum wages and aims to help the viewer understand their effects on labor markets and the associated advantages and disadvantages. The presenter explains what a minimum wage is and how it is typically...

Do you know what enzymes are? Enzymes are like little machines that help carry out and speed up chemical reactions. In our body, for example, enzymes help break down the food we eat. This video shows how you can use a toothpick model to...

Secure Sockets Layer (SSL) has long been used to secure network communication on LANs and WANs. This episode discusses how Transport Layer Security (TLS) supersedes SSL in addition to continued backwards-compatibility support that...

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...

Enzymes have optimal conditions under which they operate. Temperature, pH, enzyme concentration and substrate concentration are some conditions that affect the rate of reaction. As enzymes are proteins, they have an optimum temperature...

This video explains how the map timeline provider returns images of places.
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This clip is from the chapter "Maps in Widgets" of the series "Mastering WidgetKit in SwiftUI 4, iOS 16 with Dynamic Island".This section explains...

Ewan McIntosh is the founder & CEO of NoTosh. Leading projects around the world for clients in education and industry, Ewan is the passionate and energising tour de force behind NoTosh. A highly-regarded keynote speaker at events around...

A biological catalyst. Enzymes are specialised proteins that speed up biochemical reactions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

This video is about the role of digestive enzymes in the chemical breakdown of large, insoluble molecules in our food into smaller, soluble ones. The video focuses on the three main types of digestive enzymes - carbohydrase, protease,...

We are getting to know angles with this quirky activity. I love how Alex's face lights up when he sees that a number of angles in each digit corresponds to its value.

👉 Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...

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In this video, we’re going to look at the enzymes involved in digestion in more detail.

This video explains catalysts, exploring the concept of activation energy and how catalysts can lower it to speed up reactions. The video covers the use of catalysts in industry and domestic applications, including the catalytic...

We've discussed some aspects of biotechnology already, but we have yet to discuss the promising field of synthetic biology. We are now able to manipulate biological organisms in ways that have technological applications, and one of the...

"If DNA is the blueprint of life, enzymes are the laborers that carry out its instructions," says chemical biologist Adam Garske. In this fun talk and demo, he shows how scientists can now edit and design enzymes for specific functions...

What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that...

Don't be fooled! The yellow or white corn you see in the grocery store is only the tip of the rainbow-colored iceberg of corn coloration. And these more genetically diverse varieties of corn might just save our husks one day. <br/>

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