Question:
The building units for oligosaccharides and polysaccharides are
The building units for oligosaccharides and polysaccharides are
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Carbohydrate classification:
- Monosaccharides: Single sugar unit.
- Oligosaccharides: 2-10 sugar units.
- Polysaccharides: >10 sugar units.
- Monosaccharides: Single sugar unit.
- Oligosaccharides: 2-10 sugar units.
- Polysaccharides: >10 sugar units.
Updated On: Aug 27, 2026
- Monosaccharides
- Glyceraldehyde
- Dihydroxyacetone
- Trioses
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of carbohydrate structure.
Step 2: Detailed Explanation:
The building units for oligosaccharides and polysaccharides are monosaccharides (A).
Oligosaccharides are composed of 2-10 monosaccharide units.
Polysaccharides are composed of many monosaccharide units (e.g., starch, cellulose).
Other options:
- Glyceraldehyde (B): A triose (3-carbon sugar).
- Dihydroxyacetone (C): A ketotriose.
- Trioses (D): Three-carbon sugars.
Thus, monosaccharides are the building blocks.
Step 3: Final Answer:
Thus, the building units for oligosaccharides and polysaccharides are monosaccharides, which corresponds to option (A).
[0.5cm]
This question tests knowledge of carbohydrate structure.
Step 2: Detailed Explanation:
The building units for oligosaccharides and polysaccharides are monosaccharides (A).
Oligosaccharides are composed of 2-10 monosaccharide units.
Polysaccharides are composed of many monosaccharide units (e.g., starch, cellulose).
Other options:
- Glyceraldehyde (B): A triose (3-carbon sugar).
- Dihydroxyacetone (C): A ketotriose.
- Trioses (D): Three-carbon sugars.
Thus, monosaccharides are the building blocks.
Step 3: Final Answer:
Thus, the building units for oligosaccharides and polysaccharides are monosaccharides, which corresponds to option (A).
[0.5cm]
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