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单词 chemoautotroph
释义

Definition of chemoautotroph in English:

chemoautotroph

noun ˌkiːməʊˈɔːtətrəʊfˌkiːməʊˈɔːtətrɒfˌkɛməʊˈɔːtətrɒfˌkɛməʊˈɔːtətrəʊfˌkēmōˈôtəˌtrōf
Biology
  • An organism, typically a bacterium, which derives energy from the oxidation of inorganic compounds.

    〔生〕化能自养生物,允能自养菌(尤指从无机物氧化获取能量的细菌)

    Example sentencesExamples
    • The reaction pathways that these chemoautotrophs employ involve the reduction of inorganic carbon compounds to form organic compounds, which include their biomolecules.
    • While chemoautotrophs are uncommon, photoautotrophs are common and quite diverse.
    • These so-called chemoautotrophs use the stored energy of certain chemicals [usually sulfides such as hydrogen sulfide or iron sulfide (FeS 2)] to drive chemosynthesis.

Derivatives

  • chemoautotrophic

  • adjective ˌkiːməʊɔːtəˈtrɒfɪkˌkiːməʊɔːtəˈtrəʊfɪk
    Biology
    • Few authors have explored body size patterns across the E / O transition, although Hickman did document an increase in the size of chemoautotrophic thyasirid bivalves from the Pacific Northwest.
      Example sentencesExamples
      • These resemble the foot of some specialized bivalves (Solemya or Lucina) used to penetrate putrid sediment to release H 2 S consumed by symbiotic chemoautotrophic bacteria.
      • They evolved towards sessile life possibly in symbiosis with photo- or chemoautotrophic microorganisms.
      • Here 32 new species and 2 genera of invertebrates were discovered thriving on sulfur - rich seeps inside the cave, in what appears to be the most easily accessible chemoautotrophic ecosystem known so far.
      • ‘Our synthesis of ammonia may serve as a model for a primordial nitrogen fixing system and conforms well with theories of the chemoautotrophic origin of life,’ say the researchers.
  • chemoautotrophy

  • noun ˌkiːməʊɔːtəˈtrɒfiˌkiːməʊɔːtəˈtrəʊfi
    Biology
    • In anoxic bank sediments, respiration was also much greater than chemoautotrophy, but was entirely anaerobic.
      Example sentencesExamples
      • Nitrifying bacteria are capable of chemoautotrophy.

Definition of chemoautotroph in US English:

chemoautotroph

nounˌkēmōˈôtəˌtrōf
Biology
  • An organism, typically a bacterium, which derives energy from the oxidation of inorganic compounds.

    〔生〕化能自养生物,允能自养菌(尤指从无机物氧化获取能量的细菌)

    Example sentencesExamples
    • While chemoautotrophs are uncommon, photoautotrophs are common and quite diverse.
    • These so-called chemoautotrophs use the stored energy of certain chemicals [usually sulfides such as hydrogen sulfide or iron sulfide (FeS 2)] to drive chemosynthesis.
    • The reaction pathways that these chemoautotrophs employ involve the reduction of inorganic carbon compounds to form organic compounds, which include their biomolecules.
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更新时间:2025/1/14 11:45:11