Home›Astrobiology›hypothetical types of biochemistry🌐EnglishEnglishEspañolFrançaisItalianoPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربية한국어中文日本語EntityQ218004· pop 21· linked from 349 articleshypothetical types of biochemistrypossible alternative biochemicals used by life formsAvailable in 21 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةArmenianConnectionsmicroorganismEntityammoniaEntityCategoriesAstrobiologyBiological hypothesesScience fiction themesScientific speculation