查询词典 gametes

In diatoms the vegetative cells are diploid, and are formed directly by the fusion of gametes.

硅藻类的营养细胞是二倍体，它是由配子融合直接产生的。

In the present review, we focus on some of the recent advances and some key developmental events revealed in the fertilization process, including the role of the egg apparatus in guiding pollen tube orientation, sperm cell movement to their targeting cells, interaction between gametes, egg cell activation, and onset of embryogenesis and endosperm development.

本文着重讨论受精作用的若干重要发育事件，包括受精前卵器细胞对花粉管向胚珠定向生长的近距离引导信号，精子的靶向运动，精、卵细胞相互作用和配子融合后卵细胞的激活与中央细胞发育的启动等。

The gonad of fish is not only the tissue which can produce gametes, but also an important endocrine gland.

鱼类性腺既是产生配子的场所，也是重要的内分泌器官。

During the two critical periods—gametogenesis and preimplantation development, there are genome-wide epigenetic reprogramming in gametes and embryos, which plays important roles in the erasion or creation of imprinting, gene silencing and tissue-specific gene expression.

其中关键时期是配子形成期和胚胎植入前期，最主要内容是全基因组DNA"CpG岛"甲基化和染色质组蛋白乙酰化的有规律变化，结果是配子遗传印记的消除与重建、植入前胚胎大范围基因的静默和组织特异性基因表达的确定。

Exogamy The fusion of gametes produced by organisms that are not closely related.

：亲缘关系较远的生物体产生的配子相互融合。

The eyespot of unicellular and colonial algae and their gametes and zoospores contains globules of orange or red carotenoid pigments.

单细胞生物和群体藻类的眼点、配子和孢子含有橙色或红色的类胡萝卜素。

The basic set of chromosomes in a species is the haploid set, usually found in the gametes.

一个物种染色体的基本数目是一个单倍体组，这通常见于配子中。

Homothallic species may produce distinctly different sizes of gametes that can fuse with each other and are thus effectively hermaphrodite.

同宗配合种类可以产生形态大小明显不同的配子，使之能发生相互融合，因此它们是有效的雌雄同体植物。

The larger, usually female of two conjugating gametes in a heterogamous organism.

大配子在具有异形配子的机体中两个结合的配子中较大的一个，通常是雌性的配子

The smaller of a pair of conjugating gametes, usually the male, in an organism that reproduces by heterogamy.

小配子一对并合配子中较小的一个，通常是由异配产生的有机物中的雄性

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。