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Question 50

Two nucleotides are joined together by a linkage known as :

Solution

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Two nucleotides in a nucleic acid (DNA or RNA) are joined together by a phosphodiester linkage.

This linkage is formed between the 3'-hydroxyl group of one nucleotide's sugar and the 5'-phosphate group of the next nucleotide, creating a phosphodiester bond.

The answer is phosphodiester linkage, which corresponds to Option (1).

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