近日，科研人员首次利用供体动物的胸腔为培养环境，使细胞生长成一个具有完整功能的肺。
For the first time, researchers have built a functioning lung by growing cells on the skeleton of a donor lung.
多年的经验表明，由于绵羊的活力和吃苦耐劳且具有超级免疫系统和天然抗疾病能力，它们被作为最佳的动物供体。
Many years of experience have shown that sheep are the best donor animals because they are vital, hardy animals with supererior immune systems and natural disease resistance.
按照供体细胞的不同，哺乳动物核移植研究可分为两种：胚胎细胞核移植和体细胞核移植。
According to the different donor types, mammalian nuclear transfer can be divided into two kinds: embryonic nuclear transfer and somatic nuclear transfer.
供体细胞的细胞周期、细胞类型、冷冻处理和化学激活等方面都可能影响动物克隆的效率。
The effect of using donor cells of different cell cycle, cell type, chemical activation, as well as refrigeration, on cloning animal has been summarized.
由此而来的新生命本质上是供体“父母”的同卵双生，具有该动物孪生者之异同。
The resulting newborn animal is essentially an identical twin of the donor "parent" with the same similarities and differences of such twins in that species.
甜菜碱作为一种高效的甲基供体，具有促进动物生长、减少脂肪沉淀、对鱼虾有诱食等作用。
As an efficient methyl donator betaine has functions of accelerating animal growth, decreasing fat settling and inducing fish and shrimp to eat.
但动物克隆效率仍然很低，供体细胞的选择是动物克隆中的重要步骤。
Donor cell selection is critical for the success of cloning animal, and it is also an important factor affecting the cloning efficiency.
但动物克隆效率仍然很低，供体细胞的选择是动物克隆中的重要步骤。
Donor cell selection is critical for the success of cloning animal, and it is also an important factor affecting the cloning efficiency.
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