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Biology Level 1

Which of the following nucleobase is found in RNA (ribonucleic acid) but not found in DNA (deoxyribonucleic acid)?

Guanine Thymine Adenine Cytosine Uracil

Sharky Kesa by Sharky Kesa , 19, United Kingdom

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4 solutions

Tomáš Hluska
Sep 27, 2017

The question is wrong. It asks for nucleo base present only in RNA.

Besides that, both nucleic acids contain C, G and A (C always pairs with G; there are only two purines - G and A). D NA contains T , thus U is left for RNA.

6 Helpful 3 Interesting 2 Brilliant 0 Confused
Sudharm Arya
Sep 12, 2016

In RNA, in place of thymin, uracil is present WITH all others(GCA- namely guanine, cytosine, adenine).

3 Helpful 0 Interesting 1 Brilliant 2 Confused
Jake Lai
Jun 22, 2015

For some reason I learnt this at my primary school debate club. DNA has 4 nucleotides: GCAT. I can't remember which is replaced by U in RNA but I suspect it's T.

2 Helpful 2 Interesting 2 Brilliant 1 Confused

Yup, Thymine is replaced by Uracil in RNA. I use GACT for DNA and GACU for RNA.

Fun fact: It's easy to remember "GACU" because it kinda sounds like Goku if you say it (I'm sure you've heard that name before, considering you're a big anime fan).

Prasun Biswas - 5 years, 11 months ago

Each nucleotide of DNA is composed of a nitrogen-containing nucleobase—either guanine (G), adenine (A), thymine (T), or cytosine (C)—as well as a monosaccharide sugar called deoxyribose and a phosphate group.

Source : Wikipedia

Nihar Mahajan - 5 years, 11 months ago

Absolutely impressive fact

Kaja Kumari - 2 years, 1 month ago
Daniel W.
May 20, 2021

An Easy Way to Remember this is by Saying...

"A T Coral Gables" The U is left behind, which stands for Uracil.

That Means uracil is only found in RNA.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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