Definition & Meaning | English word ACCEPTOR

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Definitions of ACCEPTOR

1. One who accepts.
2. (legal, commerce) One who accepts a draft or a bill of exchange; a drawee after he has accepted.
3. (chemistry) An atom or molecule which can accept an electron to form a chemical bond.
4. (biochemistry) A transfer RNA molecule that can accept a specific amino acid
5. (physics) A chemical acceptor atom forming a positive hole in a semiconductor
6. (physiology) A cluster of skin cells that respond to pain
7. (comptheory) A kind of finite-state machine whose binary output indicates whether or not a received input was accepted.

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Examples of Using ACCEPTOR in a Sentence

• In chemistry, a hydrogen bond (or H-bond) is primarily an electrostatic force of attraction between a hydrogen (H) atom which is covalently bonded to a more electronegative "donor" atom or group (Dn), and another electronegative atom bearing a lone pair of electrons—the hydrogen bond acceptor (Ac).
• In aerobic respiration, the flow of electrons terminates with molecular oxygen as the final electron acceptor.
• In aerobic respiration, ATP synthase is coupled with an electron transport chain in which oxygen acts as a terminal electron acceptor.
• Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive the bulk production of adenosine triphosphate (ATP), which contains energy.
• Anaerobic respiration, respiration in the absence of oxygen, using some other molecule as the final electron acceptor.
• The first models were based on a coin acceptor, a dial to engage the mechanism, and a visible pointer and flag to indicate the expiration of the paid period.
• In this context, the oxidizing agent is called an electron acceptor and the reducing agent is called an electron donor.
• Pyruvate is the terminal electron acceptor in lactic acid fermentation
  When sufficient oxygen is not present in the muscle cells for further oxidation of pyruvate and NADH produced in glycolysis, NAD+ is regenerated from NADH by reduction of pyruvate to lactate.
• Another example, a molecule or atom that has a more positive value of electron affinity than another is often called an electron acceptor and the less positive an electron donor.
• An example of the ecological importance of anaerobic respiration is the use of nitrate as a terminal electron acceptor, or dissimilatory denitrification, which is the main route by which fixed nitrogen is returned to the atmosphere as molecular nitrogen gas.
• a glycosyl donor, is attached to a hydroxyl or other functional group of another molecule (a glycosyl acceptor) in order to form a glycoconjugate.
• During the second stage, the amino group is transferred to the keto acid acceptor, forming the amino acid product while regenerating the enzyme.
• In biochemistry, an oxidoreductase is an enzyme that catalyzes the transfer of electrons from one molecule, the reductant, also called the electron donor, to another, the oxidant, also called the electron acceptor.
• In these reactions, a single triphosphate-nucleotide transfers two phosphates to two different acceptor molecules, resulting in a monophosphate-nucleotide and two phosphorylated products.
• NRDP uses standard ports and protocols (HTTP and XML) and can be implemented as a replacement for Nagios Service Check Acceptor (NSCA).
• Other closely related tetrazolium dyes including XTT, MTS and the WSTs, are used in conjunction with the intermediate electron acceptor, 1-methoxy phenazine methosulfate (PMS).
• In more general terms, phosphorylases are enzymes that catalyze the addition of a phosphate group from an inorganic phosphate (phosphate + hydrogen) to an acceptor, not to be confused with a phosphatase (a hydrolase) or a kinase (a phosphotransferase).
• Glycosyl groups are exchanged during glycosylation from the glycosyl donor, the electrophile, to the glycosyl acceptor, the nucleophile.
• A donor chromophore, initially in its electronic excited state, may transfer energy to an acceptor chromophore through nonradiative dipole–dipole coupling.
• Efficient photogeneration can only occur in binary systems due to charge transfer between donor and acceptor moieties.

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