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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
Carbohydrates

Disaccharides

Polysaccharides

Timberlake LecturePLUS 1999

important disaccharides
Important Disaccharides
  • Maltose = Glucose + Glucose
  • Lactose = Glucose + Galactose
  • Sucrose = Glucose + Fructose

Timberlake LecturePLUS 1999

maltose
Maltose

 -1,4-glycosidic bond - D-Maltose

Timberlake LecturePLUS 1999

lactose
Lactose

 -1,4-glycosidic bond

α-D-Lactose

Timberlake LecturePLUS 1999

sucrose
Sucrose

α, -1,2-

glycosidic bond

Timberlake LecturePLUS 1999

learning check c4
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

solution c4
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

polysaccharides
Polysaccharides
  • Starch

Amylose

Amylopectin

  • Glycogen
  • Cellulose

Timberlake LecturePLUS 1999

polysaccharides9
Polysaccharides
  • Polymers of D-Glucose

Timberlake LecturePLUS 1999

amylose
Amylose

Polymer with α-1,4 bonds

α-1,4 bonds

Timberlake LecturePLUS 1999

amylopectin
Amylopectin

Polymer with α-1,4 and α-1,6 bonds to branches

α-1,6 bond

α-1,4 bonds

Timberlake LecturePLUS 1999

cellulose
Cellulose

Polymer with ß-1,4 bonds

ß-1,4 bonds

Timberlake LecturePLUS 1999

learning check c5
Learning Check C5

Identify the polysaccharide in each as:

  • starch 2) glycogen 3) cellulose

A. B. C.

Timberlake LecturePLUS 1999

solution c5
Solution C5

3) cellulose 1) starch 2) glycogen

Timberlake LecturePLUS 1999