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Ion in Biological Dictionary

Pyruvic acid

... alpha-keto acid . The carboxylate (COOH) ion (anion) of pyruvic acid , CH3COCOO-, is known as ... among cells ... The carboxylate (COOH) ion (anion) of pyruvic acid is known as pyruvate. ... Search : pyruvic acid 27 Products ... ... ion ( anion) of pyruvic acid , CH 3 COCOO ... ...

Phosphate ion

... The phosphate ion carries a negative three formal charge and is ... conditions, the dihydrogen phosphate ion (H2PO4) is most common. ... phosphate ( ) ... or ester of phosphoric acid. ... The phosphate ion carries a negative three formal charge and is ...

Mass spectrometry

... spectrometer company that offers the Orbitrap ion Trap Mass Analyzer. Browse ... Process Mass ... ... The Whys and Wherefores of Quadrupole ion Trap Mass Spectrometry ... Up to 12 stages of ... TOD 10:10 – Bioaerosol Detection Using MALDI ion Mobility and Mass Spectrometry ... WP 682 – ...

Ion channel

... ion channels are pore-forming proteins that help ... gradient. They ... Ligand-gated ion channels (LGICs), also referred to as ionotropic ... -linked receptors, are a group of transmembrane ion channels that are opened or closed in response ...

Concentration gradient

... force behind many processes ... In addition, ion concentration gradients existing between two ... gradient is a constant. ... An ion gradient is a concentration gradient of ions, it ... important for ion gradients . ... different types ...

Zinc finger

... ) A small structural domain that is organized around a zinc ion and is found in many Zinc finger protein 165 edit Zinc finger ... ... DNA to RNA: a finger -shaped fold of amino acids plus a zinc ion that is found in ... See all search results in Photos & more (5) Books ...

Transmembrane receptor

... (may involve receptor tyrosine kinases) ... The Worldwide Intensivist ... Types of Receptor ... Receptors that activate transmembrane ion channels. ... ...

Transferrin receptor

... intake into the cell. Thus, transferrin receptor maintains cellular iron homeostasis. Transferrin is a blood plasma protein for iron ion delivery that, in humans, is encoded by the TF gene. Transferrin is a glycoprotein that binds iron very tightly but reversibly. Although iron ...

Transduction

... graph.jpeg ... International Bio pharmaceutical Association Medical Terms ... 3.1.3 Signal transduction of transmembrane receptors that are ion channels ... Transduction summary with 12 pages of encyclopedia entries, essays, summaries, research information, and more. ... Transduction ...

Sequence homology

... ... EBI Tools: Homology and Similarity: blast, fasta, MPsrch, scanps ... Nucleotide sequence similarity searching against the Ligand Gated ion Channel ... sitive and fast sequence homology search algorithms outside of the relational ... present new challenges for sequence homology ...

Resting potential

... The resting potential of a neuron is due mostly to. saltatory conduction ... The Resting Potential . The Nernst Equation Revisited. ... ion concentrations affect the resting potential , but the nature of the ... Neurons are cells specialized to allow our brains to communicate with ...

Phosphatase

... A phosphatase is an enzyme that removes a phosphate group from its substrate by hydrolysing phosphoric acid monoesters into a phosphate ion and a molecule with a free hydroxyl group . This action is directly opposite to ... Alkaline phosphatase (ALP) (EC 3.1.3.1) is a ...

Nerve impulse

... impulses are transmitted through the synaptic gap via chemical signals in ... Researchers have discovered the mechanism that facilitates how two ion channels ... The nerve impulse is able to skip across the unmyelinated regions of the axon at ... ... electrical impulse propagates down ...

NADPH

... reductase ( NADPH ) ... (R)-mevalonate + CoA + 2 NADP+ = (S)-3-hydroxy-3-methylglutaryl -CoA + 2 NADPH + 2 H ... ... which acquires a hydrogen ion to form NADPH , which is a storage form of energy ... transfers (as single nucleotide ATP, GTP, and double nucleotide NADH and NADPH ) ... ...

Membranes

... for Dow Water & Process Solutions, a performance-based business unit comprised of leading world-class ... Solutions. FILMTEC Membranes . DOWEX ion ... PCI Membranes specialises in custom-built crossflow membrane filtration systems for liquid separation in the process industries ...

Lysosome

... needs. ... A primary lysosome contains many enzymes (collectively ... The membrane of the lysosome has intergral proteins called hydrogen ion ATPases (proton pumps) ... ... lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions. ... GO:0005764 ...

Facilitated diffusion

... or ions across a biological membrane passing through specific transmembrane transport ... Facilitated Diffusion of Ions. Ligand-gated ion channels. External ... Facilitated Diffusion of Molecules. Active Transport. Direct Active ... Facilitated ... Facilitated diffusion is ...

Electrophysiology

... of biological cells and tissues. It involves measurements of voltage change or electric current on a wide variety of scales from single ion channel proteins to ... Cardiac electrophysiology is the science of elucidating, diagnosing, and treating the electrical activities of ...

Depolarization

... event during ischemic retinal ... Britannica online encyclopedia article on depolarization (bioelectricity), ... impulse stimulates ion channels to open, positive ions flow into the cell and ... As the heart undergoes depolarization and repolarization, the electrical ... As a ...

Contractile vacuole

... vacuole ; RA1-RAN, the radial arms 1-N, where N is the total ... The ionic composition of the contractile vacuole fluid of Paramecium mirrors ion ... Contractile vacuole - Wikipedia, the free encyclopedia. A contractile vacuole is a sub-cellular structure ... contractile vacuole : ...

Collecting tubules

... kidney were perfused with ... Endosomes from kidney collecting tubule cells contain the vasopressin ... Stoner LC, Burg MB, Orloff J. ion transport in cortical collecting tubule ; effect of amiloride. ... dilution by the collecting tubule . Am J Physiol. 1972 ... Britannica ...

Chromatography

... Paraquat Herbicides. Chiral Applications ... Pall chromatography products can be used for ... Bottled (bulk) chromatography resins. Mustang™ ion exchange membrane devices ... Size exclusion chromatography ... ... to paper chromatography (including two way chromatography ) and how it ......

Adenosine deaminase

... of adenosine from food and for the turnover of nucleic acids in tissues. double-stranded RNA adenosine deaminase activity. • zinc ion binding. • hydrolase activity ... a b "Entrez Gene: ADAR Adenosine Deaminase Acting on RNA" ... Ecto-AMP deaminase blunts the ...

Active oxygen

... enzymes and active oxygen to give you outstanding clean ... Also exporters of wholesale active oxygen ... Active Oxygen . The negative ion generated by ionization of high voltage in the air, also called Active Oxygen ... Alibaba.com provides Potassium Monopersulphate, check ...

Action potential

... An action potential is a transient alteration of the transmembrane voltage across an excitable membrane generated by the activity of voltage-gated ion channels embedded in the membrane. Action potentials play multiple ... The cardiac action potential is a specialized action potential ...

Acrosome reaction

... concentrations of ... The acrosome reaction was induced with ionomycin. ... The acrosome reaction of Strongylocentrotus purpuratus sperm. ion requirements and movements. ... The acrosome reaction is a necessary prerequisite for spermatozoa to acquire ... Scoring of the acrosome ...

Acids

... An acid is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion activity greater than in pure water, i.e. a pH less than 7.0. That approximates the ... In chemistry, an amino acid is a molecule ...
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