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Carbohydrates

Carbohydrates. Disaccharides Polysaccharides. Important Disaccharides. Maltose = Glucose + Glucose Lactose = Glucose + Galactose Sucrose = Glucose + Fructose. Maltose. .  -1,4-glycosidic bond  - D-Maltose. Lactose.  -1,4-glycosidic bond α -D-Lactose. . Sucrose.

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Carbohydrates

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  1. Carbohydrates Disaccharides Polysaccharides Timberlake LecturePLUS 1999

  2. Important Disaccharides • Maltose = Glucose + Glucose • Lactose = Glucose + Galactose • Sucrose = Glucose + Fructose Timberlake LecturePLUS 1999

  3. Maltose   -1,4-glycosidic bond - D-Maltose Timberlake LecturePLUS 1999

  4. Lactose  -1,4-glycosidic bond α-D-Lactose  Timberlake LecturePLUS 1999

  5. Sucrose α, -1,2- glycosidic bond Timberlake LecturePLUS 1999

  6. Learning Check C4 Identify the monosaccharides in each of the following: A. lactose (1) glucose (2) fructose (3) galactose B. maltose (1) glucose (2) fructose (3) galactose C. sucrose (1) glucose (2) fructose (3) galactose Timberlake LecturePLUS 1999

  7. Solution C4 A. lactose (1) glucose and (3) galactose B. maltose (1) glucose and (1) glucose C. sucrose (1) glucose and (2) fructose Timberlake LecturePLUS 1999

  8. Polysaccharides • Starch Amylose Amylopectin • Glycogen • Cellulose Timberlake LecturePLUS 1999

  9. Polysaccharides • Polymers of D-Glucose Timberlake LecturePLUS 1999

  10. Amylose Polymer with α-1,4 bonds α-1,4 bonds Timberlake LecturePLUS 1999

  11. Amylopectin Polymer with α-1,4 and α-1,6 bonds to branches α-1,6 bond α-1,4 bonds Timberlake LecturePLUS 1999

  12. Cellulose Polymer with ß-1,4 bonds ß-1,4 bonds Timberlake LecturePLUS 1999

  13. Learning Check C5 Identify the polysaccharide in each as: • starch 2) glycogen 3) cellulose A. B. C. Timberlake LecturePLUS 1999

  14. Solution C5 3) cellulose 1) starch 2) glycogen Timberlake LecturePLUS 1999

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