Saturday, April 13, 2013

Chemosynthetic Autotrophs

Twenty-six hundred meters below our world of light, through the murky depths, resides a world completely alien to our own. It was not until 1977, when the first work submarine was able to enter such(prenominal) depths and explore this retainn of life that resides around the earths nourishing thermal vents. Here, a gigantic community of organisms thrive under very harsh circumstances, and virtually importantly, in the absence of life-giving light. How is this possible? Chemoautotrophic microbes.

        Chemoautotrophic bacteria are the primary producers on the ocean floor, where light cannot reach. Unlike approximately organisms, these bacteria do not need carbohydrates, vitamins, protein, and sugar to realize nix, and ultimately to survive. Instead, these bacteria utilize an alternate source for synthesizing energy. This order is commonly known as chemosynthesis. Chemosynthesis is the process of making energy by oxidizing simple inorganic compounds. These compounds include reduced gases such as ammonia, sulfur, and methane. With the help of enzymes, energy can be make by breaking down these compounds and absorbing the valence electrons as shown in Diagram 1. (General 357) For chemosynthesis to occur, the perfect combination of inorganic compounds, oxygen, nitrogen-containing salts, and century must exist.

        Currently, three different categories of chemoautotrophs, or gas eaters have been identified.

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The first are those that oxidize nitrogen compounds. These bacteria are predominantly found in lakes and swamps, where the soil is porous rich to go away ammonia, and other nitrous gases to escape. These chemoautotrophs are directly tangled in the nitrogen cycle, because they use the organic nitrogen effrontery off in the waste products of plants and animals to create energy. In turn, they admit off a usable form of ammonia for the plants and animals to use. on that point is much diversity within these nitrogen bacteria that allow it to function more efficiently in its specific...

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