31 results found

Search Results for: nitrate

Nitrate respiration

nitrate respiration The process of respiration used by some anaerobic organisms, in which nitrate rather than molecular... Read More

Facultative anaerobe

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

Nitrifying bacterium

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

Anaerobic respiration

Anaerobic Respiration Definition What is anaerobic respiration? Anaerobic (cellular) respiration is a respiratory process... Read More

Catabolism

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

Fermentation

Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Micrococcus luteus

Definition noun A gram-positive aerobic harmless bacterium involved in the conversion of nitrate to... 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

Outwelling

Definition noun Outflows of organic carbon particulates that tend to expel salt, silicate, nitrate and orthophosphate from... Read More

Millons test

Definition noun A color reaction test using Millon's reagent to detect phenolic compounds (e.g. tyrosine) Supplement French... Read More

Anoxia

Definition noun (1) A condition in which oxygen is completely absent or depleted. (2) Severe hypoxia; lack of oxygen... Read More

Obligate anaerobe

Definition noun An anaerobe that does not require oxygen and lives only in anaerobic environment. Supplement Exposure to... Read More

Nucleolar organizer region banding

Definition noun (cytogenetics) A chromosome banding method that employs silver staining to preferentially stain the... Read More

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Electron acceptor

Definition noun A molecule that receives or accepts electrons from another molecule during a redox reaction. Supplement An... Read More

Pearl

pearl 1. (Science: marine biology, zoology) A shelly concretion, usually rounded, and having a brilliant luster, with... Read More

Enterobacteriaceae

Definition noun: (taxonomy) A family of gram-negative bacilli that inhabit the large intestine of humans and other... Read More

Nitratase

nitratase (Science: enzyme) anaerobic bacteria convert nitrate to free nitrogen Registry number: EC... Read More

Ion

We have been introduced to ions in varied fields of Science like Physics, Chemistry, and Biology. This article takes you on... Read More

Anaerobic

As largely known are the subset of biological processes that are directly correlated to the ‘usage of molecular oxygen’,... Read More

Millons reagent

Definition noun A reagent for use in Millon reaction test for detecting the presence of tyrosine and other phenolic... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Flora

Flora in Roman history refers to flowers. Flora was considered the god of spring for the Roman empire. In ecology, flora is... Read More

Respiration

Definition noun, plural: respirations Any of the various analogous processes by which there is an exchange of... Read More

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More

Nitrogen

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

Salinity

Definition noun, plural: salinities The degree of saltiness; the relative proportion of salt in a... Read More