有奖纠错
| 划词

Like eukaryotes, but unlike bacteria, they have introns in their transfer RNA, but like bacteria they have polycistronic operons (gene regulators).

像真核生物而不像运RNA中含有内含,还有不具备的多的操纵(基因的调控)。

评价该例句:好评差评指正

Microsporidia are obligate intracellular parasited eukaryotes.The range of hosts included invertebrate and vertebrate.The microsporidian species parasited mainly fishes and insects.

摘要微孢一绝对胞内寄生之真核生物,寄主范围包含无脊椎动物及脊椎动物,主要是以鱼类及昆的微孢主。

评价该例句:好评差评指正

用户正在搜索


mountainite, mountain-making, mountainous, mountainousness, mountains, mountainside, mountaintop, mountainward, mountainy, Mountbatten,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

6 Minute English 六分钟英语

But maybe you can explain archaea, and eukaryotes, Alice.

也许你应该解释一下菌和真核

评价该例句:好评差评指正
《科学》杂志(双语精选)

They are the closest relatives to eukaryotes, according to recent DNA analyses.

根据最近DNA分析,它们是与真核最接近亲属。

评价该例句:好评差评指正
PBS趣味科普

Prokaryotes didn't gradually morph into eukaryotes through a bunch of gradual evolutionary steps.

原核不是通过一系列渐进进化步骤逐渐变成真核

评价该例句:好评差评指正
《自然》阅读精选

Such modern intermediates might have been the end product for primeval eukaryotes.

这些现代中间体可能是原始真核终产品。

评价该例句:好评差评指正
科拉诺斯动画科普

Roughly one billion years later, prokaryotes evolved into more complicated eukaryotes.

大约 10 亿年后,原核进化成更复杂真核

评价该例句:好评差评指正
科学60秒-科学美国人 2021年8月合

We have isolated around 30 or 40 strains already of unicellular eukaryotes.

Malavin:我们已经分离出大约 30 或 40 株单细胞真核

评价该例句:好评差评指正
科拉诺斯动画科普

Another  billion years passed before eukaryotes developed into multicellular organisms, which eventually  exploded into diverse kingdoms of complex life.

又过了 10 亿年,真核才发展成为多细胞,最终发展成复杂不同王国。

评价该例句:好评差评指正
《自然》阅读精选

For that reason, palaeontologists have used the compounds as a biomarker for the presence of eukaryotes in ancient rocks.

学家使用这些化合作为岩石中真核存在标志

评价该例句:好评差评指正
VOA慢速英语_世界

He said that while fungi are one of the more diverse groups of eukaryotes today, their ancient fossil record is " very scarce" .

他说,虽然真菌是当今最多样化真核群体之一,但关于它们老化石记录" 非常稀少" 。

评价该例句:好评差评指正
《自然》阅读精选

The molecules are 1.6 billion years old and hint that eukaryotes were abundant and widespread much longer ago than earlier biochemical evidence had suggested.

这些分子有16亿年历史,暗示着早在之前化学证据所显示时间之前,真核就已经广泛存在和繁殖了。

评价该例句:好评差评指正
《自然》阅读精选

This absence has led to speculation that before 800 million years ago, eukaryotes were not abundant enough to leave a detectable sterol trace.

这种缺乏导致了一种猜测,即在8亿年前之前,真核并不足以留下可检测到类固醇痕迹。

评价该例句:好评差评指正
《自然》阅读精选

Most modern eukaryotes rely on fat-like compounds called sterols, such as cholesterol, to build cell membranes and carry out other cellular functions.

大多数现代真核依靠类似脂肪固醇类化合(如胆固醇)来构建细胞膜并执行其他细胞功能。

评价该例句:好评差评指正
《科学》杂志(双语精选)

This year, microbiologists took a major step toward understanding the origin of eukaryotes, the group that includes plants, animals, and other organisms with cell nuclei.

今年,微学家在理解真核起源方面迈出了一大步,真核是包括植、动和其他有细胞核群体。

评价该例句:好评差评指正
TED演讲(音频版) 2019年5月合

And that included humans as well as plants and many other complicated eukaryotes.

这包括人类以及植和许多其他复杂真核

评价该例句:好评差评指正
6 Minute English 六分钟英语

Eukaryote is the scientific term for organisms with a much larger and more complex type of cell– and this group includes all animals, plants, and fungi.

真核是指具有更大更复杂细胞体,真核包括所有、植和真菌。

评价该例句:好评差评指正
《自然》阅读精选

One possibility is that eukaryotes that make more-modern sterols gained a selective advantage between one billion and 800 million years ago, eventually displacing their protosterol-making counterparts.

可能一种可能性是,在10亿到8亿年前,制造现代固醇真核获得了选择性优势,最终取代了它们制造原始固醇同类。

评价该例句:好评差评指正
2017级专外有声

In eukaryotes, if the introduced genes are derived from another organism, the resulting transgenic plants or animals can be propagated by normal breeding.

转基羊已经被产了出来,可以通过它们产有价值蛋白。目需要羊启动子(酪蛋白或乳清蛋白)以确保在乳腺中表达。从奶中纯化蛋白要比从培养细胞中纯化蛋白要容易多。

评价该例句:好评差评指正
《自然》阅读精选

Because sterols are found throughout the eukaryotic family tree, they are thought to have been present in the last common ancestor of all modern eukaryotes.

由于类固醇在真核系谱中随处可见,人们认为它们存在于所有现代真核最后一个共同祖先中。

评价该例句:好评差评指正
SciShow 合

Problem is, it’s hard to know when that first eukaryote popped up on Earth, since it’s so tough to find and identify the oldest fossils.

问题是,很难知道第一个真核是什么时候出现在地球上为要找到和鉴定最化石非常困难。

评价该例句:好评差评指正
SciShow 合

If these multicellular eukaryotes were already around 1.6 billion years ago, it’s possible that other complex organisms, like animals, may have started appearing millions of years earlier than we thought.

如果这些多细胞真核已经存在于大约 16 亿年前,那么其他复杂体( 例如动) 可能比我们想象早出现了数百万年。

评价该例句:好评差评指正
加载更多

用户正在搜索


mouse mat, mouse pad, mouse trap, mousebane, mousebird, mouse-coloured, mousedun, mouse-ear, mouseearcress, mousehole,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接