The Fischer Projection for the Naturally Occurring Form of Fucose,one

question 23

Multiple Choice

The Fischer projection for the naturally occurring form of fucose,one of the carbohydrates used as a cell marker in the determination of blood types,is shown below.Is this D-fucose or L-fucose?

• A)D-fucose
• B)L-fucose
• C)It is neither D- nor L-; fucose is not chiral.
• D)It is impossible to determine from the Fischer projection alone.

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