A Level Biology - Carbohydrates: Monosaccharides & Disaccharides

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*** WHAT'S COVERED ***
1. What carbohydrates are
* The elements they contain (Carbon, Hydrogen, Oxygen) and their general formula.
* The key functions of carbohydrates in living organisms, including energy supply, energy storage, structural roles, cellular recognition, and as building blocks for other molecules.
* The three main types: monosaccharides, disaccharides, and polysaccharides.
2. Monosaccharides (simple sugars)
* Their general formula and how they are categorised based on carbon atoms (pentoses and hexoses).
* Examples like ribose, deoxyribose, glucose, fructose, and galactose.
* A detailed look at glucose, including alpha and beta forms, how carbons are numbered, its solubility, and why it's rich in energy.
3. Disaccharides
* How they are formed from two monosaccharides via condensation reactions, creating glycosidic bonds and releasing water.
* Examples including maltose (glucose + glucose), sucrose (glucose + fructose), and lactose (glucose + galactose).
* How hydrolysis reactions break down disaccharides by adding water to break the glycosidic bond.

*** CHAPTERS ***
0:00 Introduction
0:29 What Carbohydrates Are
1:11 Functions of Carbohydrates
2:17 Types of Carbohydrates
2:39 What Monosaccharides Are
3:13 Glucose (Alpha & Beta)
3:56 Key Features of Glucose
4:29 Disaccharides & Condensation Reactions
5:15 Disaccharides & Hydrolysis Reactions

*** PLAYLISTS ***










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