Domanda del libro di testo
What are the disaccharides and polysaccharides present in each of the following?
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Ch.13 Carbohydrates
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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TOC.tableOfContents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Non è quello che usi tu?Cambia libro di testo
Capitolo 13, Problema 57a
Melezitose, a carbohydrate secreted by insects, has the following Haworth structure:
a. Is melezitose a mono-, di-, or trisaccharide?
Guida verificata passo dopo passo1
Step 1: Understand the classification of carbohydrates. Carbohydrates are classified as monosaccharides, disaccharides, or trisaccharides based on the number of sugar units they contain. Monosaccharides have one sugar unit, disaccharides have two, and trisaccharides have three.
Step 2: Analyze the Haworth structure of melezitose. In the Haworth structure, look for the number of sugar rings present. Each sugar ring corresponds to one monosaccharide unit.
Step 3: Count the sugar rings in the structure. If the structure contains three sugar rings, it is a trisaccharide. If it contains two, it is a disaccharide, and if it contains one, it is a monosaccharide.
Step 4: Consider the glycosidic bonds. Trisaccharides are formed when three monosaccharides are linked together by glycosidic bonds. Verify the presence of these bonds in the structure to confirm the classification.
Step 5: Conclude the classification of melezitose based on the number of sugar units and glycosidic bonds observed in the structure.
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Carbohydrate Classification
Carbohydrates are classified into three main categories: monosaccharides, disaccharides, and oligosaccharides. Monosaccharides are single sugar units, disaccharides consist of two monosaccharides linked together, and oligosaccharides contain a few (typically 3-10) monosaccharide units. Understanding this classification is essential for determining the type of carbohydrate in question.
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Percorso guidato
1:29
Classification of Carbohydrates Example 1
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 helps visualize the orientation of hydroxyl groups and other substituents, which is crucial for understanding the properties and reactivity of the carbohydrate. Analyzing the Haworth structure can provide insights into whether the carbohydrate is a mono-, di-, or trisaccharide.
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2:18Intro to Haworth Projections Concept 1
Melezitose Structure
Melezitose is a specific type of disaccharide composed of two glucose units linked by a glycosidic bond. It is important to recognize its structure to classify it correctly. The presence of two sugar units indicates that melezitose is not a monosaccharide, and understanding its formation and linkage can clarify its classification as a disaccharide.
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Percorso guidato
1:01Structural Formula Concept 2
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Isomaltose, obtained from the breakdown of starch, has the following Haworth structure:
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Melezitose, a carbohydrate secreted by insects, has the following Haworth structure:
c. Is melezitose a reducing sugar?
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Isomaltose, obtained from the breakdown of starch, has the following Haworth structure:
d. Is this the α or β isomer of isomaltose?
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Isomaltose, obtained from the breakdown of starch, has the following Haworth structure:
a. Is isomaltose a mono-, di-, or polysaccharide?
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Domanda del libro di testo
Melezitose, a carbohydrate secreted by insects, has the following Haworth structure:
b. What monosaccharides are present in melezitose?
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