查询词典 vegetative cell

F. bidentis leaf was of isobilateral type, and had thicker epidermis cell wall and cuticle, obvious cryptopores, and highly developed palisade tissue, with typical C4-plant Kranz anatomy. The collenchymas and vascular tissue in stem and the aerenchyma in root were well developed. Secretory structure was found in all vegetative organs. According to the analyses of soil physical and chemical properties and relevant ecological factors, F.

结果表明：黄顶菊叶片表皮具较厚的角质层、下陷气孔，叶片为等面叶、全栅型，叶肉细胞环绕维管束鞘细胞紧密排列，是典型C4植物的Kranz花环结构；茎中厚角组织和维管组织发达，根中还存在通气组织；根、茎、叶中均存在分泌结构。

During the process of long-time adaptive evolution, wetland plants adopted a series of special strategies to acclimate to salt stress. The main strategies are: 1 life history adjustment, e. g., to adjust seed germination time, implement seed dormancy and viviparity, and change reproductive manner to escape from direct salt stress, 2 morphological adjustment, e. g., to adjust biomass allocation pattern, age stem, defoliate, and carnify vegetative organs to isolate the redundant Na(superscript +) to the inactive-metabolism shoots or exclude the Na(superscript +)from tissues; 3 anatomic adjustment, e. g., to sink stoma, develop aerenchyma, and thicken cuticle and phellogen to maintain normal photosynthesis and respiration; 4 physiological and biochemical adjustment, e. g., to exclude and excrete salt, compartmentalize ions, adjust osmosis, do selective absorption, regulate hormones, and induce antioxidative enzymes to maintain the osmotic equilibrium and eliminate the active oxygen in cell; and 5 molecular level adjustment, e. g., to start up many salt-induced genes to regulate the metabolic responses to salt stress.

在长期的适应进化过程中，湿地植物形成了多种适应盐胁迫的策略，主要有：1生活史方面，植物可通过种子萌发时间的调整、种子体眠、胎生、繁殖方式的改变等逃避盐度的直接伤害；2形态学方面，植物可通过生物量分配模式的调整、茎的老化、落叶及营养器官的肉质化等将多余的Na隔离到代谢不活跃的茎中或将其排出体外；3解剖学方面，植物可通过气孔下陷、发达的通气组织、增加细胞木栓层、角质层及栅栏组织的厚度等以维持植物正常的光合作用和呼吸作用；4生理生化方面，植物可通过离子区隔化、拒盐、泌盐、选择性吸收、渗透调节、激素调节及抗氧化物酶的诱导等来维持细胞内正常的渗透压，清除胞内活性氧分子；5分子水平方面，植物可通过多种与盐胁迫相关的基因来调控细胞内的多种代谢反应。

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。

There were two or more nucleole in the nuclei of the apicalmeristem cell when the plant went into reproductive phase from vegetative phase.

植株由营养生长转入生殖生长时，茎端细胞的核内有2个或多个核仁。

The results showed that POD activity increased at first and then decreased in the skin and flesh of root. The peak occurred at 40 d and 60 d in the skin and flesh, respectively. POD activity in the skin was higher than that in the flesh at 30 d and then contrary results were observed. The higher POD activity was, the more POD isoenzyme was. The pattern of POD isoenzymes was different between skin and flesh at different vegetative growth stages. POD isoenzymes in the skin were composed of five monomers and four dimers while five dimers or two monomers, two dimers and one tetramer in the flesh. POD isoenzymes in the root were mainly acidic. POD localized mainly in the cell walls of periderm, cambium, xylem ray, xylem vessels and primary xylem.

结果显示，心里美萝卜营养生长期肉质根的皮和肉中POD活性均先升高后降低，分别在播种后第40 d和60 d出现峰值，30 d时皮中POD活性高于肉，之后则相反，酶活性最高时同工酶数目也最多，不同时期，皮和肉中同工酶种类不同；皮中POD同工酶由5个单体和4个二聚体组成，而肉中由5个二聚体或2个单体、2个二聚体和1个四聚体组成，均以酸性同工酶为主；组化定位显示POD主要分布在肉质根的周皮、形成层、木射线、木质部导管和肉的初生木质部等的细胞壁附近。

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。

Stem cell research might yield ways to grow new body parts, but without a parallel curer for Alzheimer's, this wonderful new technology would do no more than allow more people to persist in vegetative states for years longer than is currently possible.

干细胞研究可能会找到新器官的培育途径，但是如果我们没有同时找到医治老年痴呆症的良方，这种奇妙的新技术无非只是让更多的人在植物状态下苟活更长的时间罢了。

Stem cell research might yield ways to grow new body parts, but without a parallel curer for Alzheimer's, this wonderful new technology would do no more than allow more people to persist in vegetative states for years longer than is currently possible.

干细胞研究可能会找到新器官的培育途径，但是如果我们没有同时找到医治老年痴呆症的良方，这种奇妙的新技术无非只是让更多的人在植物状态下茍活更长的时间罢了。

The predacious organs of the strain are annulus and cohesive nets and the hypha which is different from the vegetative mycelium. In the cytosol there are many electro-densities which are about circular particles in different size and array on the marginal area of the hypha cell of the predacious organs, this is the important character of the fungus.

菌株的捕食器为菌环和菌网，形成捕食器的菌丝细胞结构不同于一般的营养菌丝，胞质中含有许多电子密集体，呈大小不等的黑色类圆形颗粒状，多数排列在捕食器菌丝细胞的边缘区域，这是捕食线虫性真菌捕食器菌丝细胞的一个重要特征。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&