Chapter 20, Problem 52P

Interpretation Introduction

(a)

Interpretation:

The polysaccharides C and D needs to be identified as amylose or cellulose. The polysaccharide containing $1\to 4\to \alpha -\text{glycosidic bonds}$ needs to be determined.

Concept Introduction:

Polysaccharides contain three or more monosaccharides joined together.

Three prevalentpolysaccharides in nature are cellulose, starch, and glycogen, each of which consists of repeating glucose units joined by glycosidic bonds.

Cellulose is found in the cell walls of nearly all plants.

Starch is a polymer composed ofrepeating glucose units joined in a-glycosidic linkages. The two common forms of starch areamylose and amylopectin.

Interpretation Introduction

(b)

Interpretation:

The polysaccharide which is not digestible by humans needs to be determined.

Concept Introduction:

Polysaccharides contain three or more monosaccharides joined.

Three prevalent polysaccharides in nature are cellulose, starch, and glycogen, each of which consists of repeating glucose units joined by glycosidic bonds.

Cellulose is found in the cell walls of nearly all plants.

Starch is a polymer composed of repeating glucose units joined in a-glycosidic linkages. The two common forms of starch are amylose and amylopectin.

Interpretation Introduction

(c)

Interpretation:

The polysaccharide stored in the liver and muscle needs to be determined.

Concept Introduction:

Polysaccharides contain three or more monosaccharides joined.

Three prevalent polysaccharides in nature are cellulose, starch, and glycogen, each of which consists of repeating glucose units joined by glycosidic bonds.

Cellulose is found in the cell walls of nearly all plants.

Starch is a polymer composed of repeating glucose units joined in a-glycosidic linkages. The two common forms of starch are amylose and amylopectin.

Interpretation Introduction

(d)

Interpretation:

The polysaccharide composed of glucose units needs to be determined.

Concept Introduction:

Polysaccharides contain three or more monosaccharides joined.

Three prevalent polysaccharides in nature are cellulose, starch, and glycogen, each of which consists of repeating glucose units joined by glycosidic bonds.

Cellulose is found in the cell walls of nearly all plants.

Starch is a polymer composed of repeating glucose units joined in a-glycosidic linkages. The two common forms of starch are amylose and amylopectin.