39 results found

Search Results for: protons


Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... Read More


protons stable elementary particles having the smallest known positive charge, found in the nuclei of all elements. The... Read More


Element Definition noun plural: elements el‧e‧ment, ˈel.ɪ.mənt (biochemistry) A substance that cannot be... Read More

Brown adipose tissue

Definition noun, plural: brown adipose tissues A type of adipose tissue found in mammals that is brownish as opposed to... Read More

Electron Transport System

The electron transport system occurs in the cristae of the mitochondria, where a series of cytochromes (cell pigments) and... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. In... Read More


Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Active transport

Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported... Read More


Definition noun Acronym for Golgi - Endoplasmic Reticulum - Lysosome complex, a system found in the cell that involves... Read More

Flavin adenine dinucleotide

Definition noun plural: flavin adenine dinucleotides fla·vin ad·e·nine di·nu·cle·o·tide, ad·e·nine... Read More

Proton gradient

Proton gradient in biology, the proton gradient may be used as an intermediate energy source for heat and flagellar... Read More


Definition noun plural: dinucleotides di·nu·cle·o·tide, daɪ njuːklɪəˌtaɪd An organic compound comprised of two... Read More


Cytochrome a class of hemoprotein found in mitochondria that transport electron or protons(e.g. Hydrogen ions)(for instance... Read More


Pertaining to an oxidised molecule which has had hydrogen removed from it.dehydrogenation The removal of one or more... Read More


Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More


Definition noun, plural: acidophiles An organism that can or must live in an acidic environment Supplement An acidophile is... Read More

Soda loading

soda loading A procedure adopted by a number of athletes of ingesting sodium bicarbonate in an attempt to buffer the... Read More


Definition noun, plural: flavoproteins A protein containing a flavin moiety, e.g. flavin adenine dinucleotide (FAD) and... Read More

Atomic mass

Atomic mass (Science: chemistry, physics) The mass of an atom relative to other atoms. The present-day basis of the scale of... Read More

Quantum Evolution: How Physics’ Weirdest Theory Explains Life’s Biggest Mystery

Quantum Evolution: How Physics' Weirdest Theory Explains Life's Biggest Mystery  ... Read More

Proton pump

proton pump integral membrane proteins that transport protons across a membrane against a concentration gradient. This... Read More

Proton-motive force

proton-motive force energy that is generated by the transfer of protons or electrons across an energy-transducing membrane... Read More


Isomer 1. (Science: chemistry) One of two or more molecules that have the same chemical formula but have a different... Read More


T1 In magnetic resonance, the time for 63% of longitudinal relaxation to occur; the value is a function of magnetic field... Read More

Proton donor

proton donor (Science: chemistry) An acid, a susbstance that donates protons in an acid-base reduction... Read More


nuclide (Science: physics) A species of atom characterised by the constitution of its nucleus, which is specified by the... Read More

Atomic number

Atomic number (Science: chemistry) symbol z. The number of protons in the nucleus of an atom and also its characteristic... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More


Isotope (Science: radiobiology) One of several nuclides having the same number of protons in their nuclei and hence having... Read More


Carbon is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of atom.... Read More


radiation (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic... Read More


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

Atomic weight

Atomic weight (Science: chemistry) The average weight of an atom of an element, i.e. The total mass of protons and neutrons... Read More


Acid (Science: chemical, chemistry) a fundamental category of many compounds whose water-based solutions have a sour taste,... Read More


Definition noun plural: compounds com·pound, ˈkɒmpaʊnd (general) A material made up of two or more parts or... Read More