chloroplast grana meaning in Chinese
叶绿体基粒
Examples
- During the process of senescence , the structural abnormality occurred firstly in chloroplast in which chloroplast grana disordered and stromal lamellae twisted and in which starch grains became bigger and osmiophilic granules increased , and then converged into bigger granules
叶绿体最早出现结构异常：基粒结构紊乱，基质内囊体发生扭曲、淀粉粒由小变大、嗜锇颗粒由少变多再逐渐汇集成大的颗粒。 - When inadequate n was added , the chloroplast structure in mesophyll cell was damaged in ear leaf , the amount of carbohydrate decreased in mestome sheath , and excessive n - redistribution and n - transportation to grain from vegetative mass appeared , which resulted in earlier leaf senescence . excessive n application led to too high activity of nitrate reductase , excessive vigorous nitrogen metabolism and too much exhaustion of carbohydrate in ear leaf , which resulted in the lack of enough carbohydrate in the lower leaf , meanwhile , the expansive chloroplast grana lamellae in leaf mesophyll cell and starch grain without nuclear in mestome sheath cell was observed , which led to the decrease of chlorophyll content and photosythetic capacity in maize leaf , then the early senescence occured
氮肥用量不足导致穗叶叶肉细胞叶绿体结构性差，维管束鞘细胞碳水化合物累积减少,营养体氮素再分配率大而引起叶片早衰；而过量供氮则导致生长后期硝酸还原酶活性过高，氮素代谢过旺，消耗了大量碳水化合物，以致下位叶不能得到充足的碳水化合物供应而提早脱落，同时叶肉细胞叶绿体片层结构膨胀，呈“肉汁化”特征，维管束鞘细胞淀粉粒大量消耗，无核淀粉粒出现，从而叶片叶绿素含量下降，光合能力降低而出现早衰。 - The observation by transmission electron microscope indicated that while a . vera l . had been shaded for six months , it showed decreased chloroplast grana and decreased and loosely arranged thylakoid lamellas in its leaf cells and the starch originally accumulated in its leaf plastids declined until it disappeared , presented such underdeveloped inner - membrane systems as endoplasmic reticula and golgiosomes
电镜观察结果表明，遮荫处理6个月后，库拉索芦荟叶片细胞中叶绿体基粒数量减少，类囊体片层数目减少且排列疏松，质体中原来积累的淀粉粒逐渐减少直至消失；内质网、高尔基体等内膜系统不发达。