Question #2137e

1 Answer
Li Joe J Son
Jun 19, 2017

It is based on the structure and other reason.

Explanation:

I think it is based on two reasons:
1. Uracil-Structure:
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Thymine-Structure:
(Note that Thymine can be viewed as Uracil containing additional Methyl Group)
enter image source here

So, It can be based on IUPAC nomenclature. (Refer for it).

  1. In Nucleus, during RNA synthesis from DNA, Thymine is replaced by Uracil. Hence, the name can be written like it.

Hope this answer helps! :)

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