nitrogen base

or nitrogenous base

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noun

Chemistry, Biochemistry. a nitrogen-containing organic compound that has the chemical properties of a base, especially a pyrimidine or purine: Four nitrogen bases are present in a DNA molecule.

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Origin of nitrogen base

First recorded in 1850–55

Words nearby nitrogen base

nitrofurantoin, nitrogelatin, nitrogen, nitrogenase, nitrogen balance, nitrogen base, nitrogen cycle, nitrogen dioxide, nitrogen fixation, nitrogen fixer, nitrogen-fixing

How to use nitrogen base in a sentence

Paperback publishers distributed their titles in African-American neighborhoods because it expanded their market base.
How Pulp Fiction Saved Literature|Wendy Smith|January 8, 2015|DAILY BEAST
If ISIS “came into a base and killed hundreds of troops, then people would ask a lot more questions.”
Pentagon Doesn’t Know How Many People It’s Killed in the ISIS War|Nancy A. Youssef|January 7, 2015|DAILY BEAST
Huckabee will also need to establish a reliable fundraising base, something that up until now has proved to be elusive.
Can Huckabee Convert the GOP’s Moneymen?|Lloyd Green|January 4, 2015|DAILY BEAST
Both are considered marginal figures in the House GOP caucus and have no real base of support for their respective bids.
The YOLO Caucus' New Cry for Attention|Ben Jacobs|January 4, 2015|DAILY BEAST

In the weeks following the Sept. 9, car bombing at the Iranian base, Iran raided a village in the Pakistani district of Chagai.
The Dangerous Drug-Funded Secret War Between Iran and Pakistan|Umar Farooq|December 29, 2014|DAILY BEAST
The upper part of the stem is usually unbranched, but whorls of branches occur towards the base.
How to Know the Ferns|S. Leonard Bastin
It is a vile world because it is an under-educated world, unreasonable, suspicious, base and ferocious.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
In ordinary work, however, it is safer to base the distinction upon size than upon structure.
A Manual of Clinical Diagnosis|James Campbell Todd
If he married that base-born creature Dorothy, no respectable person would ever enter the house.
The World Before Them|Susanna Moodie
There might be in the school boys base enough to charge that he lacked spirit in his attitude of armed neutrality.
The Soldier of the Valley|Nelson Lloyd

Scientific definitions for nitrogen base

nitrogen base

One of the nitrogen-containing purines (adenine or guanine) or pyrimidines (cytosine, thymine, or uracil) found in the nucleic acids DNA and RNA. The bases may be attached to a sugar (deoxyribose in DNA, ribose in RNA) to form nucleosides.The addition of a phosphate to a nucleoside results in the formation of a nucleotide, which is the basic constituent of nucleic acids.