Technology, science and the universe
Quercetin
Quercetin is a flavonoid found in a wide variety of fruits, vegetables, and plants. This compound is known for its powerful antioxidant properties, which help combat damage caused by free radicals in…
Life sciencesQuimera
The chimera is a mythical creature originating from Greek mythology, depicted as a hybrid composed of parts from different animals. It is typically described with the head of a lion, the body of a…
Life sciencesQuinacridone
Quinacridone is a synthetic organic compound that belongs to the family of dyes and pigments. It is characterized by its complex chemical structure, which includes a system of aromatic rings that…
Life sciencesQuinacrine
Quinacrine is a chemical compound used as a medication in the treatment of various infections and conditions. It is a yellow dye that belongs to the class of antimalarials and has historically been…
Life sciencesQuinidine
Quinidine is an antiarrhythmic medication primarily used to treat certain types of abnormal heart rhythms known as arrhythmias. This compound is an alkaloid extracted from the bark of the cinchona…
Life sciencesQuinine
Quinine is an alkaloid extracted from the bark of the cinchona tree, scientifically known as Cinchona. This compound has been used for centuries as an effective treatment for malaria, a…
Life sciencesQuinone
Quinones are a class of cyclic organic compounds that contain two carbonyl groups (C=O) in their structure. These compounds are characterized by their six-membered ring, which includes double bonds…
Life sciencesQuinone Biosynthesis
The biosynthesis of quinone is the biological process by which organisms produce quinones, organic compounds that play a crucial role in various biological functions. These molecules are known for…
Life sciencesQuinone Derivatives
Quinone derivatives are chemical compounds that originate from quinone, a class of cyclic aromatic compounds containing benzene rings and carbonyl groups. These compounds are known for their wide…
Life sciencesQuinone Reductase
Quinone reductase is a crucial enzyme in cellular metabolism that catalyzes the reduction of quinones to their corresponding hydroquinones. This process is essential for the detoxification of toxic…
Life sciencesQuintuplet
The term 'quintuplet' refers to a set of five elements, and in its most common usage, it describes a group of five siblings born at the same time. This phenomenon, known as quintuplets, is relatively…
Life sciencesQuinua
Quinoa is a grain crop primarily cultivated for its edible seeds, considered a superfood. This pseudocereal, native to the Andean region of South America, is notable for its high protein, fiber, and…
Life sciencesQuokka
The quokka (Setonix brachyurus) is a small marsupial native to Australia, known for its friendly nature and adorable appearance, earning it the nickname 'the world's happiest animal'. This marsupial…
Life sciencesQuoll
The quoll is a carnivorous marsupial found in Australia and New Guinea, known for its spotted fur. These animals belong to the Dasyuridae family and are recognized for their slender bodies, elongated…
Life sciencesQuorum Quenching
Quorum quenching refers to the interruption of quorum sensing perception in bacteria, a cellular communication mechanism that allows bacteria to coordinate their behavior based on population density…
Life sciencesQuorum Sensing
Quorum sensing is a cell-to-cell communication process that allows bacteria to coordinate their behavior based on population density. This phenomenon relies on the release and detection of signaling…
Life sciencesQuorum Sensing Inhibition
Quorum sensing inhibition is a biological process that disrupts communication between bacteria, specifically in the context of regulating collective behavior in bacterial populations. This phenomenon…
Life sciencesRadish Hybrid
The radish hybrid is an improved variety of radish that has been developed through selective breeding techniques to offer superior characteristics compared to traditional varieties. These hybrids are…
Life sciencesRAPD
Random Amplified Polymorphic DNA (RAPD) is a molecular technique used in bioinformatics and molecular biology to amplify random segments of DNA. This methodology is based on the polymerase chain…
Life sciencesRaspberry Hybrid
The raspberry hybrid is a variety that combines characteristics from different raspberry species, resulting in plants that can offer greater disease resistance, better adaptation to various climatic…
Life sciencesRaspberry juice
Raspberry juice is a refreshing and vibrant drink made from extracting the liquid from raspberries, a small and juicy fruit belonging to the rose family. This juice is characterized by its intense…
Life sciencesReceptor tyrosine kinase
Receptor tyrosine kinases are a group of enzymes that play a crucial role in cellular signaling by transferring a phosphate group from ATP to specific tyrosine residues on target proteins. This…
Life sciencesRecombinant DNA
Recombinant DNA is a form of DNA that has been artificially created by combining segments of DNA from different organisms. This process allows for genetic manipulation, facilitating the insertion of…
Life sciencesRecombinant DNA technology
Recombinant DNA technology is a set of biological techniques that allow the joining of DNA fragments from different sources, creating new genetic combinations. This process involves manipulating DNA…