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Name the precursor of RNA?

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Name the precursor of RNA?

(a) Glutamine

(b) Cytidine

(c) Orotidylate

(d) Uridylate

I have been asked this question in class test.

My enquiry is from Nucleotide Metabolism in portion Bioenergetics and Metabolism of Life Sciences

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Correct option is (d) Uridylate

For explanation I would say: Uridylate or UMP is a major pyrimidine nucleotide formed by the decarboxylation of orotidylate (OMP) during pyrimidine synthesis. UMP further gets converted to a ribonucleotide, and act as a precursor of RNA.

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