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Carbohydrates and energy balance
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From sugars to larger carbohydrates

From sugars to larger carbohydrates

Flow diagram showing glucose monosaccharides joining by condensation to form a disaccharide and polysaccharide, and hydrolysis using water to break glycosidic bonds Carbohydrates are organic molecules made from carbon, hydrogen and oxygen, often with the approximate empirical formula CH2O\mathrm{CH_2O}CH2​O. Their smallest building blocks are monosaccharides such as glucose, fructose and galactose.

Carbohydrates and energy balance Lesson

  1. A Level
  2. /Biology
  3. /Carbohydrates and energy balance

Step-by-step lessons on Edexcel A A Level Biology Carbohydrates and energy balance. Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons