动物的身体是由细胞组成的。
它被由细胞组成的一层很薄的组织覆盖。
一个小小的社会：所有的动物都是由细胞组成的。
一个小小的绿色社会：像动物一样，所有的植物都是由细胞组成的。
Tiny Green Society: like animals, all plants are made of cells.
这是很好的保持你的身体，包括你的皮肤，滋润，但最外层的皮肤不吸收水分，因为它是由细胞组成的死皮。
It is good to keep your body, including your skin, hydrated, however the outermost layer of skin does not absorb water since it is made up of dead skin cells.
绿藻以淀粉的形式储存食物，陆生植物也是如此，它们的细胞壁由纤维素构成，与陆生植物的细胞壁组成相似。
Green algae store food as starch, as do land plants and have cell walls made of cellulose, similar in composition to those of land plants.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
“巴基鲸”化石由一个原细胞的完整头盖骨所组成，这是现代鲸类祖先中已经灭绝的一个物种。
The fossil consists of a complete skull of an archaeocyte, an extinct group of ancestors of modern cetaceans.
我们的身体是由万亿细胞组成的极其复杂的机制。
Our body is an extraordinarily complex mechanism comprising of trillions of cells.
脂肪和肌肉组织是由两种完全不同类型的细胞组成的。
Fat and muscle tissue are composed of two entirely different types of cells.
栓塞是由胆固醇、白血细胞和平滑的肌肉细胞组成的混合体构成。随着沉积物质的积聚，就会从动脉壁上产生毛细血管网，为细胞提供养分。
Plaque consists of a mix of cholesterol, white blood cells and smooth muscle cells, and as it accumulates, a network of capillaries sprouts from the artery walls to nourish the cells.
蛋白质是由特殊的氨基酸组成的物质，它们有助于身体细胞的再生和人体机能的修复。
Proteins are made up of special amino acids, which aid in the overall regenerative and repair functions of the human body.
那么，神经组织，只能是由连续的神经网络而不是分离的细胞组成的。
Nervous tissue must, then, be composed of a continuous network rather that discrete units.
地球上最大的生物群是海底一块块由类似纤细意大利面条的巨大多细胞细菌组成的地毯。
Among the biggest masses of life on the planet are carpets on theseabed formed by giant multi-cellular bacteria that look like thinstrands of spaghetti.
而刘博士的仿制侧线和天然的相比则略有些短，它是由16个微小的水流传感器组成的，和鱼的100个细胞相比要少些。
Dr Liu's artificial lateral line was somewhat shorter than a natural one. It consisted of 16 tiny flow sensors, rather than 100.
所得物保持原来支架的长度和直径，由胶原蛋白和平滑肌细胞组成，其结构类似天然血管。
The result is a tube of the length and diameter of the original scaffold, that is composed of collagen and smooth-muscle cells—a structure similar to a natural blood vessel.
早先的分析发现胶质母细胞瘤的微泡是由蛋白质和油脂组成的。
Previous research had analyzed the protein and lipid content of glioblastoma microvesicles.
这种组织由构成小肠的各种不同的细胞层组成，包括肌细胞和上皮细胞。
This tissue was composed of the layers of the various cells that make up the intestine -- including muscle cells and the cells that line the inside, known as epithelial cells.
之后将切片卷起促使细胞产生一种由结构支撑蛋白组成的混合物，即胶原及弹性蛋白。 纤维原细胞的问题在于它们会转化为平滑的肌肉细胞，最终将血管堵塞。
They then roll up the sheet and allow the cells to produce an interpenetrating mixture of structural support proteins, known as collagen and elastin.
对于人类而言，视网膜由密集的光感棒体以及视椎体细胞组成。 棒体细胞在弱光条件下比椎体细胞更容易发挥作用，并且这些细胞也是在鲨鱼视网膜内发现的最常见的细胞类型。
Rods are able to function in much lower light than cones - and these were the most common cell types found in all of the sharks.
PGD技术通过对授精3天后的胚胎——由6个细胞组成——进行实验室检测，以判断它是否带有特别的基因疾病。
PGD is a technique whereby a three-day-old embryo, consisting of about six cells, is tested in a lab to see if it carries a particular genetic disease.
这里的骨髓基本上100%是细胞，基本上是由白血病细胞组成的。
The marrow here is essentially 100% cellular, but composed almost exclusively of leukemic cells.
外因遗传是一种可以传给下一代细胞的基因调控过程，最常见的方式是通过甲基化作用来完成，该作用可以让甲基（由一个碳原子和三个氢原子组成）附着于腺嘌呤或胞嘧啶上。
Epigenetics is a type of gene regulation that can be passed from a cell to its daughters. The most common mechanism is methylation.
脂膜位真皮下，是脂肪小叶或脂肪细胞的称谓，它们被由胶原和大血管组成的隔膜分隔。
Beneath the dermis lies the panniculus, lobules of fat calls or lipocytes separated by fibrous septa composed of collagen and large blood vessels.
脂膜位真皮下，是脂肪小叶或脂肪细胞的称谓，它们被由胶原和大血管组成的隔膜分隔。
Beneath the dermis lies the panniculus, lobules of fat calls or lipocytes separated by fibrous septa composed of collagen and large blood vessels.
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