Final answer:
Carbohydrate structures are classified based on type, size, and configuration, such as aldose or ketose, triose, tetrose, pentose, or hexose, and D or L sugars.
Explanation:
Carbohydrates can be classified based on their structure:
- Aldose or Ketose: Aldose sugars have an aldehyde group, like glyceraldehyde, while ketose sugars have a ketone group, like dihydroxyacetone.
- Triose, Tetrose, Pentose, or Hexose: Refers to the number of carbons in the carbohydrate. For example, dihydroxyacetone is a ketose triose.
- D or L Sugar: Indicates the configuration around the chiral center; glucose, for instance, is a D sugar.
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