CARBOHYDRATES - Ecu

3,4,5,6,7 carbon simple sugars are found in cells (triosestetroses, pentoses, hexoses, heptoses)• These may be aldoses or ketoses; i.e., glucose is analdohexose; fructose is a ketohexose; ribose is analdopentose.H OCH - C - OHOH - C - HH - C - OHH - C - OHH - C - OHHGlucoseHH - C - OHC = OOH - C - HH - C - OHH - C - OHH - C - OHHFructoseHCH - C - OHH - C - OHH - C - OHH - C - OHHRiboseO