Question

4. a. Draw and describe the differences between maltose, isomaltose and cellosbiose.

b. Draw and describe the differences in the carbohydrates on O, A and B type blood. (That is, the antigens H, A and B.)

c. Explain to a pre-diabetic why foods high in starch are not ideal for their medical condition when, “they do not taste sweet.”

Answer 1

& a) Differences ces between Maltose, Isomaltose and cellobiose- Oui OH 1 H oH CH.CH who oth Maltose has 2-1, 4-Glucosid ------- IGO gi - - - Maltose PHOH ! H. CHON - ei - - cellobiose also has . I HO 2-1, 4 Glucosidic - linkage] - IH OH -cellobiose I

of anomers. difference between Maltese and cellobiose is that anomers. The first glucose of maltose sugar es an Alpha-anomen", whereas the first gluda lucose en Cellobiose sugar is a "Beta-anomer! OH Ý Q------- O H | H/S i It hast-1, 6-Glucou OHH ! POH " -dic linkage] Vo KH oo VO OKOH H he OM_ Isomaltose So The difference between the 3 sugars is - Maltose is a-anomer having 1,4 - Glicosidic leakage. Cellobiose is B-anomen having 1,4-Glucosidic linkage. Isomaltose is isomer of maltese having 1,6-Glucosidie linkage

10 A B (N-acetyl glucosamine [Galactose Galactosefucose IN-Acetylglucosamine Galactose Fucose] N-Acetyl glucosamine [Galactose fucose (N-acetylglucosamine] Galactose Galactose! Galactosel clucose Glucosel Glucose (Glucose Calycosel Glucose os territorio neg999 og servog P PO Liped Bulayer ete 6 Juner portion of RBC The type of carbohydrate antigen present on the surface of RBC determines the Blood group of a person, If O-type antigen is there on RBC seveface, it means the Blood group is o. ge t ube antigen is there, it means Blood group is A. autogen is there, it means Blood group is B. If Both A&B type autigens are there, it means Blood & is AB. Bo tupe au