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Nitrogenous base


noun, plural: nitrogenous bases

(biochemistry) Nitrogen-bearing compound with chemical properties of a base


Nitrogenous bases are one of the fundamental components of nucleic acids, such as DNA. They may also form nucleosides wherein the nitrogenous base is attached to a sugar.

Nitrogenous bases are of two major types: purines and pyrimidines.

Also called:

  • nitrogen base

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Re: What is the largest macromolecule ??

... a nucleic acid that has double helix of polynucleotide. It consists of Nitrogenous base, phosphate group and deoxyribose sugar. I had searched the answer for this question and ...

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by scienceclub
Sat May 15, 2010 8:12 am
Forum: Molecular Biology
Topic: What is the largest macromolecule ??
Replies: 7
Views: 8401

Re: Generation of DNA nucleotides

... acid aspartate) and modifies it in steps, till it is a nucleotide (a nitrogenous base attached to a deoxyribose sugar, which is then phosphorylated three times). It may be ...

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by kolean
Fri Jan 01, 2010 5:48 am
Forum: Molecular Biology
Topic: Generation of DNA nucleotides
Replies: 65
Views: 59168

Re: why nucleus is said to be acid

... question, I was once puzzled by it too. I always thought DNA contained nitrogenous bases, which are obviously basic. But why are they acidic? I think the reason is in the phosphate ...

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by MikeS
Fri Aug 15, 2008 11:58 pm
Forum: Molecular Biology
Topic: why nucleus is said to be acid
Replies: 2
Views: 3672

Help me guyz i m new in the bioinformatics field

... between species, but I don't believe you can say much about that with % base composition. If it isn't phylogeny you are looking at (as in genetic ... understand what you mean by "relationship of the values of these nitrogenous bases in different organisms". Maybe we have a language ...

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by blcr11
Wed Sep 26, 2007 12:58 pm
Forum: Bioinformatics
Topic: Help me guyz i m new in the bioinformatics field
Replies: 17
Views: 10908

The Fiber Disease

... sub-unit consists of a phosphate, deoxyribose sugar and one of the 4 nitrogenous nucleotide bases. The purine bases adenine (A) and guanine (G) are larger and consist of two aromatic ...

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by codon blue
Mon Dec 11, 2006 12:46 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5560304
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