Answer:
5' carbon is bonded to the phosphate group and the 3' carbon is bonded to an OH group.
The 5' carbon is bonded to the phosphate group and the 3' carbon is bonded to an OH group.
As new nucleotides are added to a strand of DNA or RNA, the strand grows at its 3' end, with the 5′ phosphate of an incoming nucleotide attaching to the hydroxyl group at the 3' end of the chain.
DNA and RNA are composed of nucleotides that are linked to one another in a chain by chemical bonds, called ester bonds.
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