Curated Video
Bee Stings
When and why do bees sting? And what happens in the human body when they do? Why are bee stings only a nuisance to some people, but life threatening to others? Biology - Cells And DNA - Learning Points. Bees sting people to protect...
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Factpack: Enzymes
How enzymes power the everyday chemical reactions our bodies rely on. Biology - Cells And DNA - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of...
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Carnivorous Plants
Not all plants exist simply on sunlight and water. Carnivorous plants eat meat. Discover how some of these carnivores trap and kill their prey. Biology - Plants - Learning Points. Some plants, often in harsh conditions, have adapted to...
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How Does DNA Make Protein?
DNA carries genetic information to produce proteins and build new cells: a process at the heart of all life on Earth. Biology - Cells And DNA - Learning Points. Deoxyribonucleic Acid (DNA) carry the genetic code required to make protein...
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Enzyme Action: Trypsin
We demonstrate denaturing by adding the enzyme trypsin to photographic film. Strips of photographic film are added to trypsin solution at different temperatures to determine the optimum conditions for the enzyme. In the right conditions...
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Forensics: DNA Profiling
DNA profiling is one of the world's most powerful forensic tools, but how was it developed and how does it work? Biology - Cells And DNA - Learning Points. DNA profiling helps us to link individuals to crimes and free those that are...
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DNA and Crime
DNA profiling can match individuals to a crime scene using only a few cells. A brief history of DNA profiling and the breakthroughs that have made this possible. Biology - Cells And DNA - Learning Points. DNA is described as a...
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Enzyme
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...
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Food's incredible journey
Follow the incredible journey of food inside the body. Life processes - Body systems - The digestive system Learning Points The digestive system breaks down food and extracts the nutrients. A Twig Curriculum Film. Delivering key learning...
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The intestines
Case study of the role of the intestines in digestion. Life processes - Body systems - The digestive system Learning Points The intestine is divided into the large and small intestine. Nutrients from food are absorbed into the...
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एंजाइम कैसे विकृत होते हैं | कोशिकाओं | जीवविज्ञान | FuseSchool Hindi
यह वीडियो एंजाइमों के विकृतिकरण और उनकी अनुकूलतम स्थिति पर चर्चा करता है। एंजाइमों का विकृतिकरण तब होता है जब उनकी संरचना परिवर्तित होती है, जिससे उनकी गतिविधि प्रभावित होती है। वीडियो में बताया गया है कि प्रत्येक एंजाइम की अपने काम करने...
Curated Video
Revolutionizing Medicine: The Promise of Gene Therapy
This video discusses the advancements in modern medicine related to gene therapy, which aims to replace defective genes with correctly functioning ones to address the root causes of various diseases. By targeting the genes responsible...
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GCSE Biology - What are Enzymes?
In this video, we cover: - What enzymes are - How enzymes work - The difference between the lock and key model and the induced fit model Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel - Suitable for everyone Edexcel...
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GCSE Biology - Digestive System #18
Learn what the digestive system does, how it works, the organs involved, and how the villi are adapted for absorbing nutrients.
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GCSE Biology - Enzymes - How Temperature and pH Affect Rate of Reaction
This video covers: - How temperature affects enzymes and the rate of reaction - How pH affects enzymes and the rate of reaction - Why enzymes denature - Was optimum temperature and optimum pH mean
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GCSE Biology - Digestive Enzymes #17
Learn how we digestive enzymes such as amylase, proteases and lipases to break down carbohydrates, proteins and lipids. We also cover where the enzymes are made and what they break each food group down to.
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The Human Pancreas Song! | KLT Anatomy
Let's learn about the anatomy of your pancreas!
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Lab – Factors that Affect Enzymes
Visual demonstration of the lab factors that affect enzymes
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Enzymes 1
It introduces enzymes as the biological catalyst. It also describes their chemical structure, types, nomenclature and mechanism of action.
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Factors Affecting Enzyme Function
Factors Affecting Enzyme Function explains how changes in pH, temperature, and concentration levels can affect enzyme function.
Science ABC
Can A Pineapple Eat You?
Have you ever wondered why pineapples sting your tongue? It's because they contain an enzyme called bromelain, which can break down proteins. This means that every time you eat a pineapple, it eats a little bit of you! In this video we...
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Fertilization of the Sperm and Egg in Humans - How babies are made!
Fertilization. How does it happen? In this video, we discuss the male and female reproductive systems and how they work together to create an entire new human.