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- Guard cells : control the size of stomatal opening. 保卫细胞:控制气孔张开的大小.
- Blue light may enhance guard cells to pump protons out of the cell. 蓝光可促进保卫细胞将质子送出细胞。
- The stoma and guard cells are collectively called the stomatal apparatus. 临近保卫细胞处常存在变形了的表皮细胞,被称为副卫细胞。
- Blue light may help guard cells to take up protons outside into the cell. 蓝光可帮助保卫细胞自细胞外获得质子,进入细胞中。
- When the sun rises, the guard cells inflate and bulge to open the stomata, and photosynthesis begins. 当太阳升起时,这些保卫细胞充气并膨胀,打开了气孔,即开始了光合作用。
- Blue light may be a very effective light for the respiration of the guard cells. 蓝光在保卫细胞之呼吸作用是非常有效的光。
- There are a few stomatal apparatus in abaxial.The surface of guard cells and accessory cells are smooth. 气孔器仅见于下表皮,分布稀疏,副卫细胞和保卫细胞表面光滑。
- A correlation has been established between ploidy and chloroplast number in the stomatal guard cells. 同一小孢子再生植株群体内的不同倍性植株的叶绿体数平均值差异极显著。
- Two guard cells together encircle each stoma and control the opening and closing of the stomatal aperture. 每个气孔由两个保卫细胞包围来控制气孔的开闭。
- The method for measurement of the length of stoma guard cell could be used to identify ploidy. 因此可利用测量气孔保卫细胞长度的方法鉴定花粉植株的倍性.
- Stoma of walnut is a good specimen for scientists to exactly discriminate the boundary of stomata with outer ledges of ventral wall of guard cells. 核桃的气孔为人们正确地区分气孔的边界与保卫细胞内侧壁的外缘提供了很好的样本.
- The cells are typically platelike and closely packed together except where they are modified for a particular function, as are guard cells. 表皮细胞是很有特色的一个细胞层,除了某些具有特殊功能部分细胞,如保卫细胞外,通常都紧密的排列在一起。
- Abstract Actin filaments have been observed in guard cells of many plant species, the organization of cortical actin filaments was dynamic. 摘要 微丝骨架存在于多种植物的保卫细胞中,周质微丝骨架的排列和结构是动态的。
- Guard cells are biochemically and anatomically the most complicated cells in the epidermal layer and are unique amongst the plant cells. 近年来,国际上十分关注气孔运动的调控机理,在保卫细胞内外的信息传递和转导途径的研究方面取得重要进展。
- The stoma size and chloroplast number in guard cells could be regarded as the reliable indicators of ploidy levels to identify seedlings in the early stage. 再生植株叶片气孔大小和气孔保卫细胞内叶绿体数目可以作为从再生植株中早期鉴别四倍体植株的可靠指标。
- The method for measurement of the length of stoma guard cell was proved to be a simple way of estimating ploidy of the regenerated plants. 通过测量气孔保卫细胞长度来评估再生植株的染色体倍性是一种简单可行的方法。
- The dog kept a vigilant guard over the house. 这只狗警惕地守护着这所房屋。
- The arrangement of cellulose microfibrils in the guard-cell walls causes the guard cell to increase in length rather than width as it takes in water. 保卫细胞可以因为自身紧张度的改变而规律性的开闭。
- With the increase of chromosome ploidy of pepper, the stomatal density of leaf declined obviously, and the chloroplast number and the width of guard cell rose notablly. 结果显示:随辣椒染色体倍性的提高,叶片气孔密度呈明显下降趋势;保卫细胞叶绿体数与保卫细胞横径呈明显上升趋势;