前质体
qián zhì tǐ
- 名proplastid
前质体-
在电子密度低的区域能观察到前质体的纤维丝。
Fine fibrils of proplastid were observed in electronic less dense region .
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在细胞质中，晶体蛋白主要分布在细胞膜、内质网、叶绿体和前质体上，并且在叶绿体和前质体上面高密度集中分布。
In cytoplasm , the crystal protein was mainly distributed on the cell membrane , endoplasmic reticulum , chloroplast and plastid , especially on the surface of chloroplast and plastid with a high density .
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抗寒的冬性品种进入冬天寒冷季节时，其幼叶细胞中的前质体发生相互嵌合的拉链现象，而在同样条件下未能增强抗寒力的春小麦，则没有产生此种现象。
A phenomenon of zipper-like arrangement of the proplastids occurred in young leaf cells of the hardy wheat in the winter period , but under the same condition no such phenomenon was found in those of the non-resistant variety .