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词汇 actomyosin
释义

Definition of actomyosin in English:

actomyosin

noun ˌaktə(ʊ)ˈmʌɪəsɪnˌaktəˈmīəsən
mass nounBiochemistry
  • A complex of actin and myosin of which the contractile protein filaments of muscle tissue are composed.

    〔生化〕肌动球蛋白

    Example sentencesExamples
    • When muscles contract, electrical impulses cause the two proteins to slide past each other and bond, forming a complex molecule known as actomyosin, shortening and holding the position.
    • It has been recognized that various NTPs have different affinities for actomyosin, and myosins complexed with these NTPs or their products have different affinities for actin.
    • We have a worm whose body wall is a collagenous membrane and whose engine is the muscle protein actomyosin.
    • The lower actomyosin content of immature fibers compared to mature adult skeletal muscle fibers may account for this observation.
    • We presented evidence implicating actin polymerization and not actomyosin activity as the dominant mechanism actuating the stiffening response.

Origin

1940s: from actin + myosin.

Definition of actomyosin in US English:

actomyosin

nounˌaktəˈmīəsən
Biochemistry
  • A complex of actin and myosin of which the contractile protein filaments of muscle tissue are composed.

    〔生化〕肌动球蛋白

    Example sentencesExamples
    • We have a worm whose body wall is a collagenous membrane and whose engine is the muscle protein actomyosin.
    • It has been recognized that various NTPs have different affinities for actomyosin, and myosins complexed with these NTPs or their products have different affinities for actin.
    • The lower actomyosin content of immature fibers compared to mature adult skeletal muscle fibers may account for this observation.
    • We presented evidence implicating actin polymerization and not actomyosin activity as the dominant mechanism actuating the stiffening response.
    • When muscles contract, electrical impulses cause the two proteins to slide past each other and bond, forming a complex molecule known as actomyosin, shortening and holding the position.

Origin

1940s: from actin + myosin.

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