Phototrophs Wiki - What is the phototrophs?
Phototrophs (Gr: φῶς, φωτός = light, τροϕή = nourishment) are the organisms that carry out photon capture to acquire energy. They use the energy from light to carry out various cellular metabolic processes. It is a common misconception that phototrophs are obligatorily photosynthetic. Many, but not all, phototrophs often photosynthesize: they anabolically convert carbon dioxide into organic material to be utilized structurally, functionally, or as a source for later catabolic processes (e.g. in the form of starches, sugars and fats). All phototrophs either use electron transport chains or direct proton pumping to establish an electro-chemical gradient which is utilized by ATP synthase, to provide the molecular energy currency for the cell. Phototrophs can be either autotrophs or heterotrophs. As their electron and hydrogen donors are inorganic compounds [Na2S2O3 (PSB) and H2S (GSB)] they can be also called as lithotrophs, and so, some photoautotrophs are also called photolithoautotrophs. Examples of phototroph organisms: Rhodobacter capsulatus, Chromatium, Chlorobium etc. .
What does the word phototrophs mean? Find synonyms, antonyms and the meaning of the word phototrophs in our free online dictionary! Find words starting with phototrophs and anagrams of phototrophs.
Definitions of "phototrophs"
- Plural form of phototroph. noun
The word "phototrophs" in example sentences
In the oceans, ubiquitous microscopic phototrophs (phytoplankton) account for approximately half the production of organic matter on Earth ..... [Bill McKibben, Climate Change: As Phytoplankton Dwindle, The Earth Suffers ( The New York Review of Books )]
In the oceans, ubiquitous microscopic phototrophs (phytoplankton) account for approximately half the production of organic matter on Earth .... [Janet Ritz: Scary Study: Plants at Base of Ocean Food Chain Have Declined Up to 40% Due to Warming Seas]
In the oceans, ubiquitous microscopic phototrophs phytoplankton account for approximately half the production of organic matter on Earth..... [Bill McKibben, Climate Change: As Phytoplankton Dwindle, The Earth Suffers ( The New York Review of Books )]
The samples included phototrophs, which convert sunlight into usable energy, and mixotrophs, which can use sunlight or consume dead organic matter.. [New Scientist - Online News]
While phosphorus content had been studied in the past with respect to the problem of eutrophication in lakes and other inland waters, its significance for controlled growth of phototrophs like cyanobacteria within a PBR had not been examined in detail.. [RedOrbit News - Technology]
Heterotrophs are likely to be present to consume the phototrophs and in turn to be consumed by predators.. [Citizendium, the Citizens' Compendium - Recent changes [en]]
Cyanobacteria are prokaryotes that are phototrophs.. [Recently Uploaded Slideshows]
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