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Fructose is a _____________

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in Cell Biology by (121k points)
Fructose is a _____________

(a) aldose sugar

(b) ketose sugar

(c) monosaccharide

(d) polymer

I got this question during a job interview.

Question is from Chemical Basis of Life in division Chemical Basis of Life of Cell Biology

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Right answer is (b) ketose sugar

The best I can explain: Fructose is a ketose sugar because the carbonyl group (C==O) is located in an internal position to form a ketone group. If the carbonyl bond is located at one end of the sugar it is called aldose sugar.

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