The origin of multicellular forms of life seems a relatively simple step compared to the origin of life itself.
与生命本身的起源相比，多细胞生命形态的起源似乎是相对简单的一步。
That makes up multicellular organisms.
这构成多细胞生物。
That makes up multicellular organisms .
这构成多细胞生物。
In its wake, the first multicellular animals arose.
在其之后，第一个多细胞动物出现。
The same principle holds in multicellular organisms.
在多细胞组织也是同样道理。
Spore a unicellular or multicellular plant reproductive body.
单细胞或多细胞植物体的繁殖单位。
2-billion-year-old Fossils May Be Earliest Known Multicellular life.
20亿年前的古老化石可能是地球上最早的多细胞生物。
Students practice to apply the study of genetics to multicellular plants and fungi.
学生们练习把基因学应用到多细胞植物和真菌中。
What genetic change allowed multicellular animals to come into existence remains obscure.
什么样的遗传突变产生了多细胞的动物还不清楚。
As a general rule, the cells of a multicellular organism all contain the same set of genes.
一般来说，多细胞生物的细胞中含有一套相同的基因。
If that's true, modern choanoflagellates give us a glimpse of how multicellular animals began.
如果真的是这样，那么，现代领鞭虫就给了我们一个窥探多细胞生物如何形成的机会。
The approximately 175,000 species of fungi include some of the simplest multicellular organisms.
包括最简单的多细胞生物在内，真菌大概有175,000种。
He said multicellular organisms likely evolved in many places, but the fossils haven't yet been found.
他说多细胞生命可能在多处地点演化，只是其化石尚未被发现而已。
Is a species simply an uberorganism, a collection of multicellular parts to be the-cast as needed?
生物是否仅仅是一种有机物，一种在必要时可以压铸的多细胞的 集合体呢？
When scientists did find multicellular organisms, they assumed that they'd sunk from oxygen-enriched waters.
而当科学家们确实在深海发现这种多细胞有机生物时，他们曾猜想这些生物是从富氧水域沉降而来的。
Since, in a multicellular organism, different cells need different genes to be active, such regulation is vital.
由于在多细胞有机体中，不同的细胞需要借助不同的基因以激活自身，所以这种调控至关重要。
Here, we investigate whether similar principles influence the evolution of signaling networks in multicellular animals.
在此，我们研究围绕着在多细胞生物的进化信号网路中是否存在着相近的理论而展开。
Programmed cell death (PCD) is a cell death process that is a normal part of the life cycle of a multicellular organism.
细胞程序性死亡是多细胞有机体生命周期中正常的组成部分，细胞程序性死亡过程的存在对生物体是一种保护机制。
Bacteria don't smell like multicellular organisms that have noses, but it could be a primitive form of what developed later.
细菌的味觉并不像那些拥有鼻子的多细胞生物，但它可能是一种原始的形式，随后进化成了多细胞生物那种形式的味觉。
Cancer has probably existed ever since our first multicellular ancestors appeared on Earth hundreds of millions of years ago.
在我们最早的多细胞生物祖先于数亿年前在地球上出现时，癌症可能就已经存在。
The balance between cell survival and apoptosis is crucial for normal development and homeostasis of multicellular organisms.
细胞存活与凋亡之间的平衡是多细胞生物正常发育与稳态的关键。
Sure enough, cancer is found in almost all multicellular organisms, suggesting its origins stretch back hundreds of millions of years.
毫无疑问，几乎所有的多细胞生物中都发现了癌症，这暗示着癌症的起源可以追溯到数百万年前。
Objective To investigate the chemosensitivity of irradiated resistant cells of multicellular spheroids in A549 lung adenocarcinoma.
目的探讨A549肺腺癌多细胞球体放射抗拒细胞的化疗药物敏感性。
Racemes 1-4, axillary from uppermost leaves, villous or hirsute with multicellular hairs; bracts broadly linear, longer than pedicel.
总状花序1 - 4，从最上部的叶，具长柔毛或具粗毛具多细胞毛腋生；苞片宽线形，长于花梗。
But it was another 1.4 billion years before the first truly multicellular organism, called Grypania spiralis, appears in the fossil record.
但这之后又经过了14亿年才出现了最早的多细胞生命体——卷曲藻(Grypania)的化石记录。
The specimens predate the first truly multicellular organism, called Grypania spiralis, which appeared in the fossil record 1.4 billion years ago.
与在化石记录14亿年前出现的称为Grypaniaspiralis的第一种真正的多细胞生物相比，这些标本还要更早。
"Attack of the killer seaweed" may sound like a cheesy horror flick, but for many coral species, murderous multicellular algae have become real-life villains.
“杀手海草的袭击”听起来可能像无关痛痒的轻轻拍击，谈不上恐怖。可是对于许多珊瑚物种来说，残酷的多细胞海藻成为真正的凶犯。
We cannot be certain that Gonium, pandonina, Eudonna, and Pleodorina represent stages in the evolution of multicellular Volvox from unicellular chlamydomonas.
我们不能肯定盘藻、实球藻、空球藻和杂球藻代表从单细胞衣藻到多细胞因藻的各进化阶段。
We cannot be certain that Gonium, pandonina, Eudonna, and Pleodorina represent stages in the evolution of multicellular Volvox from unicellular chlamydomonas.
我们不能肯定盘藻、实球藻、空球藻和杂球藻代表从单细胞衣藻到多细胞因藻的各进化阶段。
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