Which of the following properties best describes pentoses? Pentoses provide a significant amount of energy; Pentoses are key constituents of NADP+; Pentoses are used for synthesis of hexoses; Pentoses are prevalent in diet; Pentoses are aldoses. Solution correct answer is : a.Pentoses produce a significant amount of energy. pentoses have a group of sugars like fructose, ribose, xylose etc, which help in the prodution of energy through various nmetabol,ic processes..