precursor meaning
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- precursor definition: Precursor is defined as something that led to the creation of something similar but new. (noun) An example of precursor is how radio came before but helped create television....
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ancestor a person from whom one is descended; forebear; progenitor. 2. Biology. the actual or hypothetical form or stock from which an organism has developed or descended. 3. an object, idea, style, or occurrence serving as a prototype, forerunner, or inspiration to a later one:
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What is a precursor molecule? · just now. Report Abuse. A precursor molecule is a molecule that is synthesized in an immature form and needs processing before it become activated. A good example is represented by some hormones (such as progesterone) and digestive enzymes, such as trypsin.nother example is insulin. It is proinsulin until it is released in the blood. Then an enzyme helps break a sulfide bond in the molecule to allow it to form its effective structure as insulin.
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precursor pre·cur·sor. That which precedes another or from which another is derived, applied especially to a physiologically inactive substance that is converted to an active enzyme, vitamin, hormone, etc., or to a chemical substance that is built into a larger structure in the course of synthesizing the latter.pre·cur·sor/ (pre´kur-ser) something that precedes. In biological processes, a substance from which another, usually more active or mature, substance is formed. In clinical medicine, a sign or symptom that heralds another.precur´sory.
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- Prequel: A work that supplements a previously completed one, and has an earlier time setting. These can often avoid the plot problems associated with having to deal with the c … onsequences of the original (e.g. the death of an important character).
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predecessor predecessor - one who precedes you in time (as in holding a position or office) 1  forerunner, precursor - a person who goes before or announces the coming of another. 2  forefather - person from an earlier time who contributed to the tradition shared by some group; our forefathers brought forth a great nation.
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precursor With its prefix pre-, meaning before, a precursor is literally a forerunner, and in fact forerunner first appeared as the translation of the Latin praecursor. But the two words function a little differently today.
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- The definition of preliminary is something that happens or comes before the main action. An example of a preliminary act is a drug screen that happens before a new employee is hired. preliminary. pl.
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Protein precursor For other uses, see Precursor (disambiguation) . A protein precursor, also called a pro-protein or pro-peptide, is an inactive protein (or peptide) that can be turned into an active form by posttranslational modification. The name of the precursor for a protein is often prefixed by pro.Examples include proinsulin and proopiomelanocortin.ike other proteins that contain a signal peptide, their name is prefixed by pre. They are thus called pre-pro-proteins or pre-pro-peptides. The signal peptide is cleaved off in the endoplasmic reticulum. An example is preproinsulin.
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PRECEDING • PRECEDING (adjective). The adjective PRECEDING has 3 senses: 1. existing or coming before. 2. preceding in time or order. 3. of a person who has held and relinquished a position or office. Familiarity information: PRECEDING used as an adjective is uncommon.. existing or coming before. 2. preceding in time or order. 3. of a person who has held and relinquished a position or office. Familiarity information: PRECEDING used as an adjective is uncommon.
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- Definitions for premonitoryprɪˈmɒn ɪˌtɔr i, -ˌtoʊr i. Here are all the possible meanings and translations of the word premonitory. Princeton's WordNet(0.00 / 0 votes)Rate this definition: precursory, premonitory(adj) warning of future misfortune.
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ilustreous-gre-barrons-essential-plus One that precedes and indicates, suggests, or announces someone or something to come: Colonial opposition to unfair taxation by the British was a precursor of the Revolution. One that precedes another; a forerunner or predecessor: The new principal's precursor was an eminent educator. A biochemical substance, such as an intermediate compound in a chain of enzymatic reactions, from which a more stable or definitive product is formed: a precursor of insulin.
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predecessornoun  [ C] C2 someone who had a job or a position before someone else, or something that comes before another thing in time or in a series: My predecessor worked in this job for twelve years. The latest Ferrari is not only faster than its predecessors but also more comfortable.
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preliminary Definition of preliminary for English Language Learners. : 1  something that comes first in order to prepare for or introduce the main part of something else. : 2  a game that is played before the main part of a competition to decide which players or teams will be allowed to continue playing.
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lineage Lineage is defined as the descendants of a common ancestor. An example of lineage are people who all have the same common relative from 300 years ago. direct descent from an ancestor.
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catalyst noun. The definition of a catalyst is someone or something that speeds up or brings about an event. An example of catalyst is how President Bush's claims that Iraq had weapons of mass destruction started the war in Iraq. Catalyst is defined as a substance that speeds up the rate of a chemical reaction.
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lineage Lineage is defined as the descendants of a common ancestor. An example of lineage are people who all have the same common relative from 300 years ago. lineage. lineage.
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- precursornoun [ C ] uk ​ /ˌpriːˈkɜː.sər/ us ​ /ˌpriːˈkɝː.sɚ/ formal. › something that happened or existed before another thing, especially if it either developed into it or had an influence on it: Sulphur dioxide is the main precursor of acid rain. Biological research has often been a precursor to medical breakthroughs.
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precursor noun. Precursor is defined as something that led to the creation of something similar but new. An example of precursor is how radio came before but helped create television. The definition of a precursor is something or someone that came before.An example of a precursor is the dark clouds before a storm.n example of precursor is how radio came before but helped create television. The definition of a precursor is something or someone that came before. An example of a precursor is the dark clouds before a storm.
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- From Oxford Advance Learner's Dictionary. benefactor /'be-nə-ˌfak-tər/ (noun) (formal). a person who gives money or other help to a person or an organization such as a school or charity: example. friends and benefactors of the hospital. Benefactor sounds like the best word if you are looking for a word with the same root as beneficiary. In other contexts, you can use donor, contributor, or even sponsor.
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PRECURSOR Meaning: A substance from which another substance is formed (especially by a metabolic reaction) Classified under: Nouns denoting substances. Hypernyms (precursor is a kind of...): matter; substance (that which has mass and occupies space) Domain category:
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- Definition of pre-. 1  1a (1) : earlier than : prior to : before Precambrian prehistoric (2) : preparatory or prerequisite to premedicalb : in advance : beforehand precancel prepay. 2  2 : in front of : anterior to preaxial premolar.
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PARENTAL • PARENTAL (adjective). The adjective PARENTAL has 2 senses: 1. designating the generation of organisms from which hybrid offspring are produced. 2. relating to or characteristic of or befitting a parent. Familiarity information: PARENTAL used as an adjective is rare.ntonym: filial (designating the generation or the sequence of generations following the parental generation). Pertainym: parent (a father or mother; one who begets or one who gives birth to or nurtures and raises a child; a relative who plays the role of guardian).
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- Noun. 1. precursor-a substance from which another substance is formed (especially by a metabolic reaction). biochemistry-the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry.. One that precedes another; a forerunner or predecessor: The new principal's precursor was an eminent educator. 3. A biochemical substance, such as an intermediate compound in a chain of enzymatic reactions, from which a more stable or definitive product is formed: a precursor of insulin.
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- Benefactor definition: A benefactor is a person who helps a person or organization by giving them money. | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
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Protein precursor Some protein precursors are secreted from the cell. Many of these are synthesized with an N-terminal signal peptide that targets them for secretion. Like other proteins that contain a signal peptide, their name is prefixed by pre. They are thus called pre-pro-proteins or pre-pro-peptides.The signal peptide is cleaved off in the endoplasmic reticulum. An example is preproinsulin.ike other proteins that contain a signal peptide, their name is prefixed by pre. They are thus called pre-pro-proteins or pre-pro-peptides. The signal peptide is cleaved off in the endoplasmic reticulum. An example is preproinsulin.