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单词 polysome
释义

Definition of polysome in English:

polysome

noun ˈpɒlɪsəʊmˈpälēˌsōm
Biology
  • A cluster of ribosomes held together by a strand of messenger RNA which each is translating.

    Example sentencesExamples
    • This loss of protein synthetic capacity is manifested in a loss of polysomes that result from the run-off of ribosomes from mRNAs coupled with a failure in the initiation machinery.
    • The peaks of free 40S and 60S subunits, 80S ribosomes (free couples and monosomes), and polysomes are indicated.
    • The rest are nuclear-encoded and are synthesized as precursor proteins on free cytosolic polysomes.
    • This value was lower than the average amount of mRNA detected in all polysomes (two ribosomes per mRNA) in leaves of arabidopsis and rapidly dividing yeast cells.
    • Anoxia causes polysomes, translating the aerobic proteins, to dissociate, and anaerobic mRNAs are translated from polysomes with a much lower average size.
 
 

Definition of polysome in US English:

polysome

nounˈpälēˌsōm
Biology
  • A cluster of ribosomes held together by a strand of messenger RNA that each ribosome is translating.

    Example sentencesExamples
    • The rest are nuclear-encoded and are synthesized as precursor proteins on free cytosolic polysomes.
    • Anoxia causes polysomes, translating the aerobic proteins, to dissociate, and anaerobic mRNAs are translated from polysomes with a much lower average size.
    • This loss of protein synthetic capacity is manifested in a loss of polysomes that result from the run-off of ribosomes from mRNAs coupled with a failure in the initiation machinery.
    • The peaks of free 40S and 60S subunits, 80S ribosomes (free couples and monosomes), and polysomes are indicated.
    • This value was lower than the average amount of mRNA detected in all polysomes (two ribosomes per mRNA) in leaves of arabidopsis and rapidly dividing yeast cells.
 
 
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更新时间:2024/12/23 13:23:56