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Nucleic acid

Definition

noun, plural: nucleic acids

Any of the group of complex compounds consisting of linear chains of monomeric nucleotides whereby each monomeric unit is composed of phosphoric acid, sugar and nitrogenous base, and involved in the preservation, replication, and expression of hereditary information in every living cell.


Supplement

The chains of nucleotides in a nucleic acid are linked by 3', 5' phosphodiester linkages.

Nucleic acids may be in the form of DNA or RNA molecules containing the genetic information important for all cellular functions and heredity.


Word origin: nucleic (of the nucleus) + acid.
Related phrases: deoxyribonucleic acid (DNA), ribonucleic acid (RNA).

See also: nucleotide, nitrogenous base.


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Newbie question about the first life

... Monomers started to come together and assemble polymers. These were 1) nucleic acids, which now both carry and pass on hereditary information, and 2) proteins, which can ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 9424

MolBio calculations

... Da (e.g. here: https://www.neb.com/tools-and-resources/usage-guidelines/nucleic-acid-data ). Thus 5.5 kbp plasmid weights 5500*650 Da. If you know the MW of the plasmid, you ...

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by JackBean
Wed Dec 04, 2013 8:12 pm
 
Forum: Molecular Biology
Topic: MolBio calculations
Replies: 1
Views: 1797

Re:

... The last two sections discuss its nucleic acid analysis and attempts at classification. In summary, if they descended from a once independent ...

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by wildfunguy
Sun Sep 29, 2013 4:16 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393

Living or not? (viruses,viroids and prions).

presence of protein or nucleic acid is definitely NOT sufficient to be alive. Otherwise just protein extract would be alive.

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by JackBean
Tue Sep 17, 2013 3:45 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393

Living or not? (viruses,viroids and prions).

As our friend said that living organism is the one with protein or nucleic acid or both and imposes its own form and function into another, i would like to say that prions,viroids ...

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by Sumanth001
Sun Jun 30, 2013 3:30 am
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393
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