continued growth of embryo and seed 胚和种子继续生长 seed plant n. 种子植物 covering of a seed 种子外皮 in embryo 在胎盘中,尚未成熟,在萌芽中 plant a settlement 建立定居点 plant a bomb 安置炸弹 a kind of harmful plant 一种有害植物 a terrestrial plant 一种陆生植物 相似...
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continued a. 1.继续的,延续的 embryo n. 1.【生】胚,胚胎,(尤指受孕后八周内的)人类胚胎 Growth n. U增长,增大;生长,发育 seed n.[C] 1种子,籽, 2.[U]萌芽 3.[U]子孙 4.[U]精液 5.[C]种子选手 v. 1.[T]播种,结实,成熟,去……籽 2.[I]结实,播种 growth n. 1.[U](人、动...
A. The fruit B. The pollen C. The seed D. The flower 相关知识点: 试题来源: 解析 C。解析:种子(seed)包含着新植物的胚,是植物繁殖的重要结构。果实(fruit)主要是保护种子并有助于种子传播,不包含胚本身,A错误。花粉(pollen)是雄性生殖细胞,不是包含胚的结构,B错误。花朵(flower)是繁殖器官,但本身...
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ICSEC - Grade 09 - Biology - Seed Structure And Germination - Q9
Define polyembryony. polyembryony synonyms, polyembryony pronunciation, polyembryony translation, English dictionary definition of polyembryony. n. Development of more than one embryo from a single egg or ovule. pol′y·em′bry·on′ic adj. American Heri
The present invention relates to a plant promoter being tissue specific for endosperm and embryo of a plant seed, in particular for the epidermis of an embryo of a plant seed, and to an expression system comprising such plant promoter. The present invention also relates to a vector comprising ...
4) Plant seed 植物种子 1. In order to identify cause of mutagenesis of plant seeds induced by space flight, especially to ascertain the interrelation between space radiation and mutagenesis,a "photograph location" experimental setup was designed in this study. 为了探明植物种子在空间搭载后发生一...