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A chemotroph is an organism that obtains energy by the oxidation of electron donors in their environments. [1] These molecules can be organic (chemoorganotrophs) or inorganic (chemolithotrophs). The chemotroph designation is in contrast to phototrophs, which use photons. Chemotrophs can be either autotrophic or heterotrophic.
Organotrophs use organic compounds as electron/hydrogen donors. Lithotrophs use inorganic compounds as electron/hydrogen donors.. The electrons or hydrogen atoms from reducing equivalents (electron donors) are needed by both phototrophs and chemotrophs in reduction-oxidation reactions that transfer energy in the anabolic processes of ATP synthesis (in heterotrophs) or biosynthesis (in autotrophs).
A lithoautotroph is an organism that derives energy from reactions of reduced compounds of mineral (inorganic) origin. [1] Two types of lithoautotrophs are distinguished by their energy source; photolithoautotrophs derive their energy from light, while chemolithoautotrophs (chemolithotrophs or chemoautotrophs) derive their energy from chemical reactions. [1]
Chemotropism is defined as the growth of organisms navigated by chemical stimulus from outside of the organism. It has been observed in bacteria, plants and fungi. [1] A chemical gradient can influence the growth of the organism in a positive or negative way.
I agree that the chart could be improved. Ideally, it would cover all 6 combinations of carbon source and energy source -- carbon source (a) entirely from CO2, or (b) from some other organism -- and energy source (c) from light, (d) from inorganic chemicals, or (e) from organic chemicals.
In Judaism, bible hermeneutics notably uses midrash, a Jewish method of interpreting the Hebrew Bible and the rules which structure the Jewish laws. [1] The early allegorizing trait in the interpretation of the Hebrew Bible figures prominently in the massive oeuvre of a prominent Hellenized Jew of Alexandria, Philo Judaeus, whose allegorical reading of the Septuagint synthesized the ...
YouTube global head of family and children's content Malik Ducard admitted that "making the app family friendly is of the utmost importance to us", but admitted that the service was not curated all the time, and that parents had the responsibility to use the app's parental controls to control how it is used by their children (including ...
The body of any animal in the animal kingdom is made up of a number of chemicals.Of these, only a few biochemical products have been taken into consideration to derive evidence for evolution.