查询词典 vegetative cell

Then barnyard grass sprout, new cell development succeed hypha and breed the fungi The vegetative propagation does not pass the two sexes cell to accord with .

然后稗子萌发，新的细胞发育成菌丝和繁殖真菌。无性繁殖不经过两性细胞结合。

The intine of pollen wall was constructed dur-ing the stage of 2-cellular pollen and consisted ofcellulose material coming from vegetative cell ofpollen.

邓继新等(1990)用生理学方法研究了光敏核不育水稻可育花药和不育花药中的ATP酶含量，发现两种花药有差异。

In these fragments, both the resting and the vegetative cell macronucleus DNA had 18 and 44 specific fragments, respectively.

在所选用的32条随机引物中，线粒体DNA共扩增出154条片段，其中以休眠细胞线粒体DNA为模板扩增出19条特有片段，以营养细胞线粒体DNA为模板扩增出25条特有片段，两者有29％的差异。

In the vegetative cell, the membrane of a kind of vesicular displayed ATPase positive reaction.

在包囊游仆虫营养期细胞中，酶反应颗粒沿食物泡膜呈规则的、连续的排布。

The ultrastructure characters of pollen grain in Brassica napus are:1There are vacuoles in cytoplasm but no starch grain in uniceelluar pollengrain.2The veget- ative nucleus of bicellular pollen grain is generally spheroidal;while the generative cell is spinde-shaped,with a big nucleus,thin layer of cytoplasmand few cell orgens,no cell wall.3In three-celled pollen grain the sperm cell is separated from the cytoplasm of vegetative cell by two layers of plasmic membrances.

Brassica napus的花粉粒，在不同发育时期超微结构的特征如下：1单胞花粉粒有一个球形的细胞核和明显的核仁，细胞质内出现液泡，缺少典型的淀粉粒。2双胞花粉粒的营养核多为球形。生殖细胞纺锤形，无细胞壁，细胞核比例大，细胞质呈薄层，细胞器少。3三胞花粉粒有一个裂片状的营养核和两个纺锤形的精细胞，精细胞无壁，以两层质膜与营养细胞的细胞质相隔。

The macronuclear and mitochondria DNA between the resting and the vegetative cell of Euplotes encysticus were comparatively analyzed by using RAPD technique in order to explore the acting feature of two genetic systems in the resting cell of ciliates.

为了探索纤毛虫休眠细胞中两套遗传系统的作用特征，对包囊游仆虫休眠细胞与营养细胞大核DNA和线粒体DNA进行了RAPD比较。

Mature trinucleate pollen grains showed a vegetative cell and two sperm cells, each sperm cell separated from the vegetative cytoplasm by two continuous membranes that enclosed the cytoplasm and nucleus.

成熟花粉为三细胞型，含有1个营养细胞和2个精细胞。

On germination the wall is lysed and one vegetative cell is produced.

孢子即将萌发时，厚壁溶解，剩下的营养细胞延伸。

During two-celled pollen grain stage, they were accumulated on the wall of the generative cell. After the generative cell came into the vegetative cell, ppts largely disappeared.

二胞花粉刚形成的生殖细胞表面呈现大量的ATPase反应颗粒，当生殖细胞脱离花粉内壁移入营养细胞，ATPase反应颗粒基本消失。

After the primary stain is applied and the smear is heated, both the vegetative cell and spore will appear green.

在初染色施用与抹片加热后，营养细胞与孢子一起呈现绿色。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。