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词汇 bifunctional
释义

Definition of bifunctional in US English:

bifunctional

adjectivebīˈfəNG(k)SH(ə)n(ə)lbīˈfəNG(k)SH(ə)n(ə)l
  • 1Having two functions.

    Example sentencesExamples
    • Rather, the genetic and biochemical analyses suggest that Sun is a bifunctional protein.
    • Whether the functionally independent mutants are the result of mutations in a single bifunctional gene or two separate genes has not been determined.
    • Consequently, these results demonstrate that CS and MeIQx have a bifunctional action, with similar induction patterns of specific CYP proteins, mutagenic activity and UDPGT activity.
    • To the best of our knowledge, there are no previous reports of this type of bifunctional photoactivator.
    • In maize endosperm the pullulanase-type DBE activity is thought to have a bifunctional role, assisting in both starch synthesis and degradation.
  • 2Chemistry
    Having two highly reactive binding sites in each molecule.

    bifunctional enzymes retain stable levels of activity
    Example sentencesExamples
    • It has been suggested that bifunctional molecules like alcohol can penetrate into the hydrophobic core of lys modifying its structural and dynamic properties.
    • The presence of bifunctional chitinase/chitosanase enzymes were only observed in the mycorrhizal part of the root system, showing the localized character of the induction.
    • The interconversion of the bifunctional enzyme is catalyzed by cAMP-dependent protein kinase, which in turn is regulated by circulating peptide hormones.
    • These results suggest that hexokinase is a bifunctional enzyme with catalytic and sugar-sensing activities in plants.
    • Epoxy compounds are highly reactive bifunctional alkylating agents, which may attack and bind covalently to DNA and cause mutagenic events.

Definition of bifunctional in US English:

bifunctional

adjectivebīˈfəNG(k)SH(ə)n(ə)l
  • 1Having two functions.

    Example sentencesExamples
    • Whether the functionally independent mutants are the result of mutations in a single bifunctional gene or two separate genes has not been determined.
    • Consequently, these results demonstrate that CS and MeIQx have a bifunctional action, with similar induction patterns of specific CYP proteins, mutagenic activity and UDPGT activity.
    • To the best of our knowledge, there are no previous reports of this type of bifunctional photoactivator.
    • In maize endosperm the pullulanase-type DBE activity is thought to have a bifunctional role, assisting in both starch synthesis and degradation.
    • Rather, the genetic and biochemical analyses suggest that Sun is a bifunctional protein.
  • 2Chemistry
    Having two highly reactive binding sites in each molecule.

    bifunctional enzymes retain stable levels of activity
    Example sentencesExamples
    • Epoxy compounds are highly reactive bifunctional alkylating agents, which may attack and bind covalently to DNA and cause mutagenic events.
    • These results suggest that hexokinase is a bifunctional enzyme with catalytic and sugar-sensing activities in plants.
    • It has been suggested that bifunctional molecules like alcohol can penetrate into the hydrophobic core of lys modifying its structural and dynamic properties.
    • The interconversion of the bifunctional enzyme is catalyzed by cAMP-dependent protein kinase, which in turn is regulated by circulating peptide hormones.
    • The presence of bifunctional chitinase/chitosanase enzymes were only observed in the mycorrhizal part of the root system, showing the localized character of the induction.
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