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胚乳核的英文

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"胚乳核"怎么读用"胚乳核"造句

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  • endosperm nucleus

例句与用法

  • The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus .
    另一个雄配子和次生核结合形成初生胚乳核
  • When a pollen grain germinates , a pollen tube pushes its way out through an aperture in the pollen grain wall , and the nuclei migrate into the tube
    生殖细胞核分裂,形成两个仅由细胞核和细胞质构成的精子,其中一个将与卵受精,另一个则与极核融合形成胚乳核
  • One fuses with the egg cell to form a zygote while the other either degenerates or , in certain angiosperms , fuses with the polar nuclei to give the primary endosperm nucleus
    一个与卵细胞结合形成受精卵,另一个要么退化,要么在某些被子植物中与极核结合形成初生胚乳核
  • Double fertilization the fusion of one pollen nucleus with the egg to form the zygote and of the other pollen nucleus with a polar nucleus to form the triploid endosperm nucleus
    双受精:指花粉粒中的一个精子与胚珠中的卵细胞结合形成受精卵,另一个精核与极核结合形成三倍体的胚乳核
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