(Solved): Carbohydrates Homework   4. Is the following sugar D or L? Is it an aldose or ketose? (For ...

4. Is the following sugar D or L? Is it an aldose or ketose? (For both indicate how you decided.) 5. Draw a Haworth projection of the above compound showing a furanose ring with a \( \beta \) linkage. Label the anomeric carbon and number the atoms with the standard system. 6. Take your structure drawn in \( \mathrm{Q} 4 \) and next to that (above) add a phosphate ester to your structure. 7. Write a structure for a disaccharide with an \( \alpha(1-4) \) link. What is this type of linkage called?