Words similar to arsenic
Example sentences for: arsenic
How can you use “arsenic” in a sentence? Here are some example sentences to help you improve your vocabulary:
An analogous genetic system ( Arr or ACR ) has also been described in the eukaryote Saccharomyces cervisiae [ 24 ] . Thus the ars operon, or similar arsenic resistance systems, appears to be relatively widespread throughout microorganisms.
Later, he was convicted of poisoning five paramedic colleagues with arsenic.
through increased specificity of phosphate uptake, [ 2 ] ), arsenite oxidation through the activity of arsenite oxidase [ 3 4 ] , or peroxidation reactions with membrane lipids [ 5 6 ] . Other microorganisms utilize arsenic in metabolism, either as a terminal electron acceptor in dissimilatory arsenate respiration [ 7 8 9 10 ] or as an electron donor in chemoautotrophic arsenite oxidation [ 11 12 ] . However, the most well-characterized microbial arsenic detoxification pathway involves the ars operon [ 2 13 ] .
Inorganic arsenic exists primarily in two valence states: arsenite (As III ) and arsenate (As V , or the arsenate ion AsO 4 3-).
Recent ideas on the origin of life suggest that early cellular structures were abiotic iron-sulfur formations at submarine hydrothermal vents in the Hadean ocean, in which basic biochemical and metabolic processes could have developed before the formation of cell membranes [ 39 40 ] . As well as iron and sulfur, hydrothermal areas are often are often characterized by high levels of arsenic [ 41 ] and may even contain arsenic redox active microbial communities [ 42 ] . Given the integral role of phosphate in early (and current) cellular metabolism [ 39 ] , an ability to reduce the levels of arsenate (a phosphate analog) might have been an essential biochemical process.
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