精美通用ppt模板彩色團(tuán)隊(duì)領(lǐng)導(dǎo)主題(更新版)
【正文】 g has also not yet been possible. 樣例文本 B ? A December 2022 NASA press conference stated that the bacterium GFAJ1, which has evolved in an arsenicrich environment, is the first terrestrial lifeform found which may have this ability. The bacterium was found in Mono Lake, east of Yosemite National Park. GFAJ1 is a rodshaped extremophile bacterium in the family Halomonadaceae that, when starved of phosphorus, may be capable of incorporating the usually poisonous element arsenic in its DNA.[41] This discovery may lend weight to the longstanding idea that extraterrestrial life could have a different chemical makeup from life on Earth.[41][42] The research was carried out by a team led by Felisa WolfeSimon, a geomicrobiologist and geobiochemist, a Postdoctoral Fellow of the NASA Astrobiology Institute with Arizona State University. This finding has, however, faced strong criticism from the scientific munity。往 339。此外，反意 RNA在原核生物或真核生物體內(nèi)皆存在，但是其功能尚未明了
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