Provide an explanation for the fact that a-D-mannose is more stable than B-D-mannose, whereas the opposite is truc for glucose.
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- Which of the following is a property of both D-altrose and D-talose?How could you make the zwitterion of aspartic acid more soluble in water?Considering the formation of glycosidic linkages between monosaccharides, how many possible trisaccharides can be produced by combining glucose, mannose and galactose? How does this differ from the number of possibilities for a tripeptide composed of three different amino acids?
- Is sucrose a reducing or non-reducing sugar? Explain. Is lactose a reducing non reducing sugar? Explain.Describe the chemical difference between mannose and heptyl alpha-D-mannose. Why does FimH have a higher affinity for heptyl a-D-mannose versus methyl a-D-mannose?Why is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in our body?
- Starting from glutamine ,glycine, aspartate, N-10 formal-ThF ,how many ATP equivalents are required for purine synthesis?A picture of the two disaccharide repeats of hyaluronic acid are shown below. Name the two different glycosidic linkages. Are these the same linkages as those found in glycogen?What is the structural difference between glucose and (a) β-D-glucuronate,(b) β-D-glucosamine, (c) N-acetyl-β-D-glucosamine?