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单词 auxin
释义

auxin /'ɔːksɪn//'ɔksɪn/

英汉-汉英词典
n. 植物生长素,植物激素
形容词: auxinic
词组 | 习惯用语
您要查找的是不是:
  • axion n. 脑脊髓;轴
  • axon n. 轴索,轴突(神经细胞)
  • auxins n. 茁长素;植物生长激素(auxin的复数)
auxins n. 茁长素;[生化] 植物生长激素(auxin的复数)
bound auxin [植] 束缚生长素
natural auxin 天然生长素

网络短语:
bound d auxin 束缚生长素
natural auxins 天然植物生长素
auxin antagonist 生长抑制物质;抗生长素
auxin phytohormone 植物激素
synthetic auxins 合成激素
exogenous auxins 外源生长素
diffusible auxin 可扩散植物生长素
free auxin 生长素;游离态;自由生长素
auxin migration 植物激素转移
英语例句库
  1. The result showed that the successful rooting system was closely related to the concentration of macronutrient of MS medium, auxin concentration and developing state of the explant.
    结果表明,培养基中无机盐浓度、外源激素水平、种类以及外植体的发育状况等对试管嫩茎生根具有明显影响。
  2. It is the factors affected plant regeneration in explant culture in Euphorbia pulchrrima willd to different explants or aurin or cytokinin or the combination of the auxin and cytokinin.
    外植体的类型、植物生长素、细胞分裂素的类型及二者的不同组合均对一品红在离体条件下植株的再生具有影响。

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原声例句
Crash Course 植物学篇

And now for the main event, we have auxin — not you, auxin.

现在关键是生长素,不是你,是生长素。

Crash Course 植物学篇

Cytokinin and auxin are often fighting with each other, and sometimes gibberellin and auxin team up to stimulate fruit development.

细胞分裂素和生长素经常相互争斗,有时赤霉素和生长素合作刺激果实发育。

Crash Course 植物学篇

Basically, without auxin, a plant would be knocked out… of life!

基本上,没有生长素,植物就会失去生命!

Crash Course 植物学篇

When a plant's an embryo, auxin helps decide which half of it will become the root and which will be the shoot.

当植物还是胚胎时,生长素帮助决定哪一半将成为根,哪一半将成为芽。

中文百科

生长素

吲哚乙酸似乎是植物生长中最活跃的生长素。

生长素是第一个获发现的植物激素。生长素中最重要的化学物质为3-吲哚乙酸。生长素有调节茎的生长速率、抑制侧芽、促进生根等作用,在农业上用以促进插枝生根,效果显着。

在幼嫩的芽、嫩叶中的分生组织中,及种子中的胚均可发现生长素。

英语百科

Auxin 生长素

Native auxinsindole-3-acetic acid (IAA) is the most abundant and the basic auxin natively occurring and functioning in plants. It generates the majority of auxin effects in intact plants, and is the most potent native auxin. There are three more native — endogenous auxins[2]All auxins are compounds with aromatic ring and a carboxylic acid group:[3]4-Chloroindole-3-acetic acid (4-CI-IAA)2-phenylacetic acid (PAA)Indole-3-butyric acid (IBA)For representatives of synthetic auxins  see chapter Synthetic auxins
A healthy Arabidopsis thaliana plant (left) next to an auxin signal-transduction mutant
Crown galls are caused by Agrobacterium tumefaciens bacteria; they produce and excrete auxin and cytokinin, which interfere with normal cell division and cause tumors.

Auxins (plural of auxin /ˈɔːksn/) are a class of plant hormones (or plant growth substances) with some morphogen-like characteristics. Auxins have a cardinal role in coordination of many growth and behavioral processes in the plant's life cycle and are essential for plant body development. Auxins and their role in plant growth were first described by the Dutch scientist Frits Warmolt Went. Kenneth V. Thimann isolated this phytohormone and determined its chemical structure as indole-3-acetic acid (IAA). Went and Thimann co-authored a book on plant hormones, Phytohormones, in 1937.

近义、反义、联想词
近义词
n.
phytohormone, plant hormone, growth regulator

联想词
biosynthesis生物合成;ethylene乙烯;hormone激素,荷尔蒙;photosynthesis光合作用;sucrose蔗糖;metabolite代谢物;endogenous内长的,内生的;apical顶上的, 顶点的;herbicide灭草剂;serotonin血清素;nitrogen氮;
英英词典
auxin n.
  1. a plant hormone that promotes root formation and bud growth
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