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प्रश्न
The 3′ end of a polynucleotide chain is characterized by the presence of:
पर्याय
A free –OH group attached to the 3′ carbon of the sugar
An N-glycosidic bond
A free phosphate group attached to the 3′ carbon of the sugar
A nitrogenous base
MCQ
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उत्तर
The 3′ end of a polynucleotide chain is the terminating end and is characterized by a free hydroxyl (–OH) group attached to the 3′ carbon of the pentose sugar. This is in contrast to the 5′ end, which has a free phosphate group.
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