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CARBOHYDRATES

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CARBOHYDRATES Characteristics of Carbohydrates Consist of carbon, hydrogen, & oxygen Energy containing molecules Some provide structure Basic building block is a ... – PowerPoint PPT presentation

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Title: CARBOHYDRATES


1
CARBOHYDRATES
2
Characteristics of Carbohydrates
  • Consist of carbon, hydrogen, oxygen
  • Energy containing molecules
  • Some provide structure
  • Basic building block is a monosaccharide (CH2O)n
    n 3,5,6
  • Two monosaccharides form a disaccharide

3
Different Forms of Glucose
4
Three Monosaccharides
C6H12O6
5
Dehydration Synthesis of a Disaccharide
6
Formation of Disaccharides
7
Hydrolysis of a Disaccharide
8
Important Polysaccharides Starch
  • Consists of glucose subunits
  • Plant energy storage molecule
  • Glycogen is a very similar molecule in animals.
  • Starch and glycogen can be digested by animals.

9
Important Polysaccharides Cellulose
  • Composed of glucose subunits
  • Different bond formed than starch
  • Structural component in plants
  • Cannot be digested by animals

10
Important Polysaccharides Chitin
  • Glucose subunits
  • Partly derived from non-sugars (nitrogen)
  • Composes exoskeletons of insects
  • Note similarity to cellulose.

11
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