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SS1: BIOLOGY - 2ND TERM

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  1. Cellular Respiration | Week 1
    5 Topics
    |
    1 Quiz
  2. Excretion & Growth in Living Cells | Week 2
    4 Topics
    |
    1 Quiz
  3. Irritability | Week 3
    6 Topics
    |
    1 Quiz
  4. Reproduction of Organisms | Week 4
    5 Topics
    |
    1 Quiz
  5. Tissues and Supporting Systems | Week 5
    6 Topics
    |
    1 Quiz
  6. Animal Nutrition | Week 6
    6 Topics
    |
    1 Quiz
  7. Enzymes | Week 7
    1 Topic
    |
    1 Quiz
  8. Heterotrophic Nutrition | Week 8
    3 Topics
    |
    1 Quiz
  9. The Mammalian Dentition | Week 9
    3 Topics
    |
    1 Quiz
  10. Basic Ecological Concepts | Week 10
    3 Topics
    |
    1 Quiz
  11. Local Biotic Communities | Week 11
    4 Topics
    |
    1 Quiz
  12. Major Biomes of the World | Week 12
    5 Topics
    |
    1 Quiz



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Topic Content:

  • Definition of Carbohydrates
  • Classification of Carbohydrates
    • Monosaccharides / Hexose Sugars / Simple Sugars
    • Disaccharides / Complex Sugars
    • Polysaccharides / Starch & Cellulose
  • Functions of Carbohydrates

Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen. The hydrogen atoms present are twice that of the oxygen atom.

The ratio between hydrogen and oxygen in carbohydrates is 2:1

Classification of Carbohydrates:

There are three main groups of carbohydrates:

  1. Monosaccharides (Glucose, fructose, Galactose)
  2. Disaccharides (e.g Sucrose, maltose, Lactose)
  3. Polysaccharides (e.g starch, cellulose)
Screen Shot 2021 03 25 at 2.45.10 PM Easy Resize.com

1. Monosaccharides / Hexose Sugars / Simple Sugars:

The general formula – CnH₂nOn

 

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