posted by alias PG63 on Sunday 22nd of May 2016 01:55:38 AM
Fotosöndag, tema: Ljus
Photosynthesis on topic
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek phōs, "light", and synthesis, "putting together". Most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the energy necessary for life on Earth. Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centers that contain green chlorophyll pigments/chromophores.
Jan Anderson (scientist) - Joan Mary "Jan" Anderson FAA FRS was a New Zealand scientist who worked in Canberra, Australia, distinguished by her investigation of photosynthesis.
Artificial photosynthesis - Artificial photosynthesis is a chemical process that biomimics the natural process of photosynthesis to convert sunlight, water, and carbon dioxide into carbohydrates and oxygen.
Carbon fixation - Biological carbon fixation or сarbon assimilation is the process by which inorganic carbon is converted to organic compounds by living organisms. The compounds are then used to store energy and as structure for other biomolecules.
Cellular respiration - Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor, such as oxygen, to drive the bulk production of adenosine triphosphate, which contains energy.
Chemosynthesis - In biochemistry, chemosynthesis is the biological conversion of one or more carbon-containing molecules and nutrients into organic matter using the oxidation of inorganic compounds or ferrous ions as a source of energy, rather than sunlight, as in photosynthesis.
Daily light integral - Daily light integral describes the number of photosynthetically active photons that are delivered to a specific area over a 24-hour period. This variable is particularly useful to describe the light environment of plants.
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- Published 06.02.23
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