When two carbohydrates are epimers:

When two carbohydrates are epimers:



A) one is a pyranose, the other a furanose.

B) one is an aldose, the other a ketose.

C) they differ in length by one carbon.

D) they differ only in the configuration around one carbon atom.

E) they rotate plane-polarized light in the same direction.



Answer: D) they differ only in the configuration around one carbon atom.


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