René Descartes - Wikipedia


René Descartes (/ d eɪ ˈ k ɑːr t / or UK: / ˈ d eɪ k ɑːr t /; French: [ʁəne dekaʁt] (); Latinized: Renatus Cartesius; 31 March 1596 – 11 February 1650: 58 ) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science.Mathematics was central to his method of inquiry, and he connected the …


Carbohydrate - Wikipedia


In organic chemistry, a carbohydrate (/ ˌ k ɑːr b oʊ ˈ h aɪ d r eɪ t /) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula C m (H 2 O) n (where m may or may not be different from n).However, not all carbohydrates conform to this precise stoichiometric ...


ENZYME search by enzyme class - Expasy


With incorporation of one atom of oxygen (internal monooxygenases or internal mixed function oxidases). 1.13.99.-Miscellaneous. ... 3. 6. 4.-Acting on ATP; involved in cellular and subcellular movement. 3. 6. 5.-Acting on GTP; involved in cellular and subcellular movement. 3. 7.


Oxidative phosphorylation - Wikipedia


Oxidative phosphorylation (UK / ɒ k ˈ s ɪ d. ə. t ɪ v /, US / ˈ ɑː k. s ɪ ˌ d eɪ. t ɪ v /) or electron transport-linked phosphorylation or terminal oxidation is the metabolic pathway in which cells use enzymes to oxidize nutrients, thereby releasing chemical energy in order to produce adenosine triphosphate (ATP). In eukaryotes, this takes place inside mitochondria. ...


Wykop.pl - newsy, aktualności, gry, wiadomości, muzyka, …


Wykop jest miejscem, gdzie gromadzimy najciekawsze informacje z Sieci: newsy, artykuły, linki. O treści serwisu decydują tylko i wyłącznie nasi użytkownicy, dodając newsy, komentując i głosując na nie.


Directionality (molecular biology) - Wikipedia


Directionality, in molecular biology and biochemistry, is the end-to-end chemical orientation of a single strand of nucleic acid.In a single strand of DNA or RNA, the chemical convention of naming carbon atoms in the nucleotide pentose-sugar-ring means that there will be a 5′ end (usually pronounced "five-prime end"), which frequently contains a phosphate group attached to the 5′ …


Unsur periode 3 - Wikipedia bahasa Indonesia, ensiklopedia bebas


Unsur periode 3 adalah unsur-unsur pada baris (atau periode) ketiga tabel periodik.Tabel periodik disusun dalam baris-baris untuk menggambarkan keberulangan tren (periodik) sifat kimia unsur-unsur seiring kenaikan nomor atom: baris baru dimulai ketika tabel periodik melompati suatu baris dan perilaku kimia mulai berulang, artinya unsur-unsur dengan sifat yang sama …


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Phosphorus - Wikipedia


4 molecules, in which each atom is bound to the other three atoms by a formal single bond. This P ... ATP is also important for phosphorylation, a key regulatory event in cells. Phospholipids are the main structural components of all cellular membranes. Calcium phosphate salts assist in stiffening bones.


Glycolysis Explained in 10 Easy Steps - Microbiology Info.com


Aug 10, 2022  · Similar to the reaction that occurs in step 1 of glycolysis, a second molecule of ATP provides the phosphate group that is added on to the F6P molecule. The enzyme that catalyzes this reaction is phosphofructokinase (PFK). As in step 1, a magnesium atom is involved to help shield negative charges. Step 4: Aldolase


Human Physiology/Cell physiology - Wikibooks


Mar 11, 2021  · Step 3: In this step, the isocitrate molecule is oxidized by a NAD molecule. The NAD molecule is reduced by the hydrogen atom and the hydroxyl group. The NAD binds with a hydrogen atom and carries off the other hydrogen atom leaving a carbonyl group. This structure is very unstable, so a molecule of CO 2 is released creating alpha-ketoglutarate.


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IBM - Wikipedia


IBM reported Total CO2e emissions (Direct + Indirect) for the twelve months ending 31 December 2020 at 621 Kt (-324 /-34.3% y-o-y). IBM's annual Total CO 2 e Emissions - Market-Based Scope 1 + Scope 2 (in kilotonnes) Dec 2015 Dec 2016 Dec 2017 Dec 2018 Dec 2019 Dec 2020 1,454: ... marking the first structure assembled one atom at a time.


Purine - Wikipedia


Purine is a heterocyclic aromatic organic compound that consists of two rings (pyrimidine and imidazole) fused together.It is water-soluble.Purine also gives its name to the wider class of molecules, purines, which include substituted purines and their tautomers.They are the most widely occurring nitrogen-containing heterocycles in nature.


Succinate dehydrogenase - Wikipedia


Succinate dehydrogenase (SDH) or succinate-coenzyme Q reductase (SQR) or respiratory complex II is an enzyme complex, found in many bacterial cells and in the inner mitochondrial membrane of eukaryotes.It is the only enzyme that participates in both the citric acid cycle and the electron transport chain. Histochemical analysis showing high succinate dehydrogenase in …


Oxygen - Wikipedia


Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.Oxygen is Earth's most abundant element, and after hydrogen and helium, it is the third-most abundant element in the …


Fatty acid - Wikipedia


In chemistry, particularly in biochemistry, a fatty acid is a carboxylic acid with an aliphatic chain, which is either saturated or unsaturated.Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, from 4 to 28. Fatty acids are a major component of the lipids (up to 70% by weight) in some species such as microalgae but in some other organisms …


Adenosine triphosphate - Wikipedia


Adenosine triphosphate (ATP) is an organic compound that provides energy to drive many processes in living cells, such as muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis. Found in all known forms of life, ATP is often referred to as the "molecular unit of currency" of intracellular energy transfer. When consumed in metabolic …


Adenosine-5'-triphosphate | C10H16N5O13P3 - PubChem


ATP is an adenosine 5'-phosphate in which the 5'-phosphate is a triphosphate group. It is involved in the transportation of chemical energy during metabolic pathways. ... Heavy Atom Count: 31: Computed by PubChem: Formal Charge: 0: Computed by PubChem: Complexity: 800: Computed by Cactvs (PubChem release 2021.05.07) Isotope Atom Count: 0:


Samotolisib (LY3023414) | ≥99%(HPLC) | Selleck | PI3K inhibitor


Samotolisib (LY3023414, GTPL8918) is an oral ATP competitive inhibitor of the class I PI3K isoforms, mTOR and DNA-PK. Quality confirmed by NMR & HPLC. See customer reviews, validations & product citations. ... (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is ...


PlayStation userbase "significantly larger" than Xbox even if every …


Oct 12, 2022  · Get your first month for £1 (normally £3.99) when you buy a Standard Eurogamer subscription. Enjoy ad-free browsing, merch discounts, our monthly letter from the editor, and show your support ...


Phosphate Group - Definition and Functions | Biology Dictionary


Apr 28, 2017  · Phosphate Group Definition. Phosphate, chemical formula PO 4 3-, is a chemical compound made up of one phosphorus and four oxygen atoms.When it is attached to a molecule containing carbon, it is called a phosphate group. It is found in the genetic material DNA and RNA, and is also in molecules such as adenosine triphosphate (ATP) that provide energy to cells.


3.1 Synthesis of Biological Macromolecules - OpenStax


During these reactions, the polymer breaks into two components: one part gains a hydrogen atom (H+) and the other gains a hydroxyl molecule (OH–) from a split water molecule. Figure 3.3 In the hydrolysis reaction here, the disaccharide maltose breaks down to form two glucose monomers by adding a water molecule.


Energy - Wikipedia


The total energy of a system can be subdivided and classified into potential energy, kinetic energy, or combinations of the two in various ways. Kinetic energy is determined by the movement of an object – or the composite motion of the components of an object – and potential energy reflects the potential of an object to have motion, and generally is a function of the …


Browse Articles | Nature


Nov 17, 2022  · Browse the archive of articles on Nature. Neuroscientist Gina Rippon describes how and why she tackled the nature–nurture debate in her book The Gendered Brain, and the media furore it caused.


Cytochrome c - Wikipedia


The cytochrome complex, or cyt c, is a small hemeprotein found loosely associated with the inner membrane of the mitochondrion.It belongs to the cytochrome c family of proteins and plays a major role in cell apoptosis.Cytochrome c is highly water-soluble, unlike other cytochromes, and is an essential component of the respiratory electron transport chain, where it carries one …


Hydrolysis - Wikipedia


Hydrolysis (/ h aɪ ˈ d r ɒ l ɪ s ɪ s /; from Ancient Greek hydro- 'water', and lysis 'to unbind') is any chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution, elimination, and solvation reactions in which water is the nucleophile.. Biological hydrolysis is the cleavage of biomolecules where a water molecule is …


MedTerms Medical Dictionary A-Z List - A on MedicineNet.com


MedTerms medical dictionary is the medical terminology for MedicineNet.com. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms.


Caffeine - Wikipedia


Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is used as a cognitive enhancer, increasing alertness and attentional performance. Caffeine acts by blocking binding of adenosine to the adenosine A 1 receptor, which enhances release of the neurotransmitter acetylcholine. " Caffeine has a three-dimensional structure similar to that of …


Superman – Wikipédia


Superman egy kitalált szereplő, szuperhős a DC Comics képregényeiben.A kitalált szereplőt a kanadai rajzoló, Joe Shuster és az amerikai író, Jerry Siegel alkotta meg 1932-ben, és adta el az akkor még Detective Comics néven létező DC Comicsnak.Első megjelenése az Action Comics első számában volt 1938 júniusában. Superman a DC Comics és a képregényipar egyik ...