What is present at the 5' end of the sugar in | vedclass

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(A) In a polynucleotide chain,the sugar-phosphate backbone is formed by the linkage of nucleotides.Each nucleotide consists of a pentose sugar,a nitro

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Phosphate group

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(A) In a polynucleotide chain,the sugar-phosphate backbone is formed by the linkage of nucleotides.Each nucleotide consists of a pentose sugar,a nitrogenous base,and a phosphate group.The $5'$ carbon of the pentose sugar is attached to the phosphate group,while the $3'$ carbon is attached to the $OH$ group.Therefore,at the $5'$ end of a polynucleotide chain,a free phosphate group is present.

What is present at the $5'$ end of the sugar in a polymer of nucleotides?

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