when you add a new nucleotide to a growing dna strand, you attach _ to the existing .

June 28, 2026

You attach the phosphate of the new nucleotide to the existing nucleotide’s 3′ hydroxyl (3′-OH) group on the sugar. So the completed sentence is:

“When you add a new nucleotide to a growing DNA strand, you attach the phosphate group to the existing 3′-OH group.”

when you add a new nucleotide to a growing dna strand, you attach _______ to the existing ______.

when you add a new nucleotide to a growing dna strand, you attach _ to the existing .