36 results found

Search Results for: ammonium

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... Read More

Biuret test

In this article we will answer the following three questions: What is a Biuret Test?  What does biuret test for? What is... Read More

Nitrifying bacterium

Definition noun, plural: nitrifying bacteria A bacterium that is capable of converting ammonium into... Read More

Uracil

Definition noun plural: uracils u·ra·cil, ˈjʊərəsɪl (biochemistry) A pyrimidine nucleobase in RNA that... Read More

Oxidizer

An oxidizer is a substance that facilitates oxidation in a chemical reaction by accepting electrons from another substance.... Read More

Prokaryote

Prokaryote refers to any of the group of living organisms primarily characterized by the lack of a true nucleus and other... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Nitrification

Definition noun A process wherein a nitro group is added to an organic compound Supplement Nitrification is a process where... Read More

Abiotic Fixation

Definition noun It is part in nitrogen cycle wherein atmospheric nitrogen fixation carries out non-living components to... Read More

Phosphate

Phosphate is an essential inorganic compound composed of a phosphorus atom bonded to four oxygen atoms. This molecular... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Zwitterion

Definition noun, plural: zwitterions A molecule carrying both a positive and a negative charge Supplement A zwitterion is a... Read More

Lactulose

Definition noun A disaccharide made up of galactose and fructose and produced through a heat... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Ammonification

Ammonification the conversion of organic nitrogen to ammonium (NH4+) by the action of decomposers... Read More

Chemoheterotroph

Definition noun, plural: chemoheterotrophs An organism deriving energy by ingesting intermediates or building blocks that it... Read More

Chemoautotroph

Definition noun, plural: chemoautotrophs An organism (typically a bacterium or a protozoan) that obtains energy through... Read More

Chemotroph

Chemotroph Definition A chemotroph refers to an organism that obtains energy mainly from carbon dioxide and from... Read More

Inorganic compound

Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

The consequences of antibiotic use in horticulture

Leading articles Frederick R. Falkiner* Department of Clinical Microbiology, Trinity College, Dublin; Central Pathology... Read More

Autotroph

Autotroph Definition What is an autotroph? In biology and ecology, an autotroph is an organism capable of making nutritive... Read More

Heterotroph

Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Ammonotelism

Ammonotelism The excretion of ammonia and ammonium ions is calles ammonotelism. The organisms which excrete by ammonotelism... Read More

Amphipathic

Amphipathic Definition Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and... Read More

Globulin

Globulin (Science: protein) a simple globular protein which cannot be dissolved in pure water but which can be dissolved if... Read More

Peptone

peptone (Science: physiology) The soluble and diffusible substance or substances into which albuminous portions of the food... Read More

Nitrogen fixation

Definition noun The conversion of atmospheric nitrogen (N2) into a more usable form by natural means, such as by the... Read More

Organic compound

Organic Compound Definition An organic compound is a compound that, in general, contains carbon covalently bound to other... Read More

Hydrophilic

Hydrophilic Definition What does a hydrophile (or hydrophilic molecule) mean? If a molecule is “water-loving”, it is... Read More

Assimilation

Assimilation Definition What is assimilation? Assimilation in biology is defined as the process in which living organisms... Read More

Ammonia

Ammonia (Science: biochemistry) The common Name for NH3, a strongly basic, irritating, colourlessgas which is lighter than... Read More

Specimen

A specimen is a meticulously selected representative of a group that undergoes rigorous research studies to derive some... Read More

Primary producers

'Primary producers (also called simply as producers) are the autotrophs capable of producing organic compounds from light... Read More