<prompt> Which of the following is a Ketose?GlucoseErythroseFructoseRibose  <response>: Monosaccharides are those sugars that cannot be hydrolyzed into simpler carbohydrates. They may be classified as trioses, tetroses, pentoses, hexoses, or heptoses, depending upon the number of carbon atoms 3-7, and as aldoses or ketoses, depending on whether they have an aldehyde or ketone groupClassification of Impoant SugarsAldosesKetosesTrioses C3H6O3GlyceroseglyceraldehydeDihydroxyacetoneTetroses C4H8O4ErythroseErythrulosePentoses C5H10O5RiboseRibuloseHexoses C6H12O6GlucoseFructoseHeptoses C7H14O7 ---SedoheptuloseRef: Harpers Biochemistry; 30th edition; Chapter 15; Carbohydrates of Physiological Significance 