Isomaltose, obtained from the breakdown of starch, has the following Haworth structure:

a. Is isomaltose a mono-, di-, or polysaccharide?

검증된 단계별 안내

Step 1: Understand the classification of carbohydrates. Carbohydrates are classified as monosaccharides (single sugar units), disaccharides (two sugar units linked together), or polysaccharides (many sugar units linked together).

Step 2: Analyze the structure of isomaltose. The Haworth structure provided shows two sugar rings connected by a glycosidic bond. This indicates that isomaltose is composed of two monosaccharide units.

Step 3: Identify the type of glycosidic bond. In isomaltose, the two monosaccharides are linked by an α-(1→6) glycosidic bond, which is a common linkage in disaccharides derived from starch breakdown.

Step 4: Conclude the classification. Since isomaltose consists of exactly two monosaccharide units, it is classified as a disaccharide.

Step 5: Note the biological context. Isomaltose is a product of starch hydrolysis and plays a role in carbohydrate metabolism, further confirming its classification as a disaccharide.

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주요 개념

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Carbohydrate Classification

Carbohydrates are classified into three main categories: monosaccharides, disaccharides, and polysaccharides. Monosaccharides are single sugar units, disaccharides consist of two monosaccharides linked together, and polysaccharides are long chains of monosaccharide units. Understanding this classification is essential for identifying the type of carbohydrate in question.

Structure of Isomaltose

Isomaltose is a disaccharide formed from two glucose units linked by an α(1→6) glycosidic bond. This specific linkage distinguishes it from other disaccharides, such as sucrose or maltose, which have different glycosidic bonds. Recognizing the structure of isomaltose helps in determining its classification as a carbohydrate.

Haworth Projection

The Haworth projection is a way of representing the cyclic structure of carbohydrates, showing how the atoms are arranged in a ring form. This representation is crucial for visualizing the stereochemistry of sugars, including their anomeric carbon and hydroxyl groups. Understanding Haworth projections aids in comprehending the structural characteristics of carbohydrates like isomaltose.

Isomaltose, obtained from the breakdown of starch, has the following Haworth structure: a. Is isomaltose a mono-, di-, or polysaccharide?