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| 1. |
Which moieties of nucleosides are involved in the formation of phosphodiester linkages present in dinucleotides ? What does the word diester in the name of linkage indicate ? Which acid is involved in the formation of this linkage ? |
| Answer» SOLUTION :A nucleoside is FORMED by the linkage of BASE to 1. position of SUGAR. When a phosphoric acid is attached to 5. position of sugar moiety, nucleotide is obtained. Two nucleotides are joined together by phosphodiester linkage between 5. and 3. carbon of pentose sugar. The linkage resembles with two ester groups joined together and THUS, it is called diester linkage. | |