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Fructose is a _____________(a) aldose sugar(b) ketose sugar(c) monosaccharide(d) polymerI 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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