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posted by Alvin Harp alias Alvin Harp on Thursday 4th of August 2016 08:16:37 AM

During photosynthesis: Light energy is absorbed by chlorophyll, a green substance found in chloroplasts in some plant cells and algae. Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose. Oxygen is released as a by-product. Took this shot while on one of my walks in Oregon, I particularly liked the light on the edges of some of the twigs.

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Photosynthesis on topic


Photosynthesis is a biological process used by many cellular organisms to convert light energy into chemical energy, which is stored in organic compounds that can later be metabolized through cellular respiration to fuel the organism's activities. The term usually refers to oxygenic photosynthesis, where oxygen is produced as a byproduct and some of the chemical energy produced is stored in carbohydrate molecules such as sugars, starch, glycogen and cellulose, which are synthesized from endergonic reaction of carbon dioxide with water. 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 biological energy necessary for complex life on Earth.

Photosynthesis Category
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 oxidized 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.
Plant nutrition
Quantum biology
Biological processes
Cellular respiration
Plant physiology
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  • Published 12.11.23
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