The last nucleotide added to a growing DNA chain has a _____ on the sugar.
A) 5'-hydroxyl
B) 5'-triphosphate
C) 3'-hydroxyl
D) 3'-triphosphate

Name: The last nucleotide added to a growing DNA chain has a _____ on the sugar. A) 5'-hydroxyl B) 5'-triphosphate C) 3'-hydroxyl D) 3'-triphosphate
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Question

​ The last nucleotide added to a growing DNA chain has a _____ on the sugar.
A) 5'-hydroxyl
B) 5'-triphosphate
C) 3'-hydroxyl
D) 3'-triphosphate

Quizplus · Accepted Answer

The last nucleotide added to a growing DNA chain has a 3'-hydroxyl group on the sugar, which is involved in forming a phosphodiester bond with the incoming nucleotide's 5'-triphosphate group.

​ the Last Nucleotide Added to a Growing DNA Chain

the Last Nucleotide Added to a Growing DNA Chain