According to the information on pages 4-5 and on pages 7-8 of the monosaccharide notes, which of the following is true about the two carbohydrate molecules X and Y below? CH₂OH OH .0. CH₂OH OH 0. HO HO CH₂OH OH OH X Y OX is a ketopentofuranose but Y is a ketohexofuranose OX is an a-furanose but Y is a ẞ-furanose X is an aldopentofuranose and Y is also an aldopentofuranose X is an aldohexopyranose but Y is a ketohexopyranose X is an aldopentofuranose but Y is a ketohexofuranose