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Multiple Choice
Glucose, fructose, and galactose are examples of which type of carbohydrate?
A
Polysaccharides
B
Disaccharides
C
Monosaccharides
D
Oligosaccharides
Verified step by step guidance
1
Understand the classification of carbohydrates: Carbohydrates are classified into monosaccharides, disaccharides, oligosaccharides, and polysaccharides based on the number of sugar units they contain.
Define monosaccharides: Monosaccharides are the simplest form of carbohydrates, consisting of a single sugar unit. They cannot be hydrolyzed into smaller carbohydrate units.
Identify glucose, fructose, and galactose: These are all single sugar molecules with the molecular formula C₆H₁₂O₆, making them monosaccharides.
Differentiate from other carbohydrate types: Disaccharides (e.g., sucrose) consist of two monosaccharide units, oligosaccharides contain 3-10 sugar units, and polysaccharides (e.g., starch) are long chains of monosaccharides.
Conclude that glucose, fructose, and galactose are monosaccharides because they are single sugar units and meet the definition of this carbohydrate type.