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apical meristem造句

"apical meristem"是什么意思   

例句与造句

  1. Advances on genetic transformation of cotton shoot apical meristem via gene - gun bombardment
    以棉花茎尖分生组织为受体进行基因枪轰击转化的研究
  2. It is implicated in the uptake of calcium , the development of apical meristems , and pollen germination
    它还与钙的吸收,顶端分生组织发育和花粉萌发有关。
  3. Primary growth growth derived solely from meristems present in the embryo , i . e . apical meristems
    初生生长:指完全起源于胚芽分生组织即顶端分生组织的生长。
  4. The term is used particularly in relation to a part of the apical meristem that later differentiates further
    该名词也用于指随后进一步发育的顶端分生组织。
  5. Leaf is the first lateral organ produced by the activity of the shoot apical meristem ( sam )
    摘要叶片(包括子叶)是茎端分生组织产生的第一类侧生器官,在植物发育中具有重要地位。
  6. It's difficult to find apical meristem in a sentence. 用apical meristem造句挺难的
  7. Quiescent center a group of cells in the center of the apical meristem in which mitotic divisions are rate or absent
    静止中心:在根的顶端分生组织中心区域的一些细胞,它们几乎不进行有丝分裂。
  8. Calyptogen a layer of meristematic cells covering the root apical meristem in some plants ( e . g . grasses ) that gives rise to and maintains the root cap
    根冠原:在一些植物中覆盖根顶端分生组织的一层具有分生能力的细胞,根冠原可以产生和维持根冠。
  9. Ground meristem the central region of the apical meristem from which the ground tissues of pith , cortex , medullary rays , and mesophyll differentiate . in root meristem it is also called periblem
    基本分生组织:位于顶端分生组织的中部,髓、皮层、髓射线以及叶肉这些基本组织均是由基本分生组织分化而成。根部分生组织也称为皮层原。
  10. Advances in the techniques for cryopreservation of " musa " . including germplasm embryogenic cell suspension , zygotic embryos and apical meristems over ten years are reviewed ; and the main factors affecting cryopreservation are also mentioned , which include material , pretreatment , loading and dehydrating
    总结了影响香蕉超低温保存效果的几个主要因素,主要包括材料、预处理、装载处理以及冰冻保护剂。
  11. Labeling tunel method . the cell ultrastructural changes were similar to apoptosis in animal cells : the apical meristemetic cells underwent the programmed cell death . this was first detected in the apex cells of apical meristem , while peripheral cells differentiated gradually into different parts of a floral bud . but all the cells in the floral bud were subjected to the pcd process before it developed into a complete flower . 140bp dna fragment was found to deposit in apical bud during the plant development . the most important role of caspase - 8 was detected by western blot , and the expression of the procaspase - 8 was time - related with the dna frgmentation and the transformation from vegetative to the reproductive growth . these results suggested that pcd was an active process during the differentiation of apical meristem , and the senescence observed in the apical bud was due to the pcd process
    显微超微结构研究表明,短日照条件下豌豆顶芽的衰老过程是从营养生长锥向花芽的转化,而用dna原位末端标记tunel caspase - 8 western blot和140 bp dna片断积累的试验结果证明,转化为花芽的整个生长锥细胞发生了编程性死亡pcd ,而且其最顶端部分细胞首先发生pcd ,而顶端周围的分生组织细胞逐渐分化出花芽的各部分,但顶芽最后并没有发育成为完整的花,所有细胞就都发生pcd ,从而顶芽衰老。

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