[欲速求一篇关于如何面对自然灾害的英语文章]I think this is very situational, by that I mean you will need to observe very carefully your surroundings during an earthquake. However, the very first thing y...+阅读
Transfers the gene animal is refers to the experimental technique to induct the extraneous source gene, in 染色体组 in the stable conformity and can inherit gives the descendant a kind of animal. In 1981, first successfully inducted the extraneous source gene the animal embryo, established has transferred the gene animal technology. In 1982 obtained transfers the gene mouse. Changes over to the big mouse's growth hormone gene, causes the mouse body weight for normal individual two times, thus is called "the super mouse". Hereafter cultivated one after another successfully has transferred the gene rabbit, the sheep, the pig, the fish, the insect, the cow, the chicken, the goat, the big mouse and so on transfers the gene animal. Because transferred the gene animal system to break the nature to reproduce the inter-species isolation, enabled the gene in to plant is between the relational very far organism flows, it will have the overall situation influence to the entire life science. Therefore, transferred the gene animal technology after 1991 in the first international gene localization conference by the recognition is the genetics relaying chain-like analysis, the somatic cell heredity and the gene clone fourth generation of technology, is listed as in the biology history in 126 years the 14th turning point. Has transferred the gene mouse since 1982 to be published, transfers the gene animal research all to obtain the amazing achievement in many domains. Generally says, according to the different goal, transfers the gene animal operation to be allowed simply the division to be four kind of types: (l) the disease transfers the gene animal; (2) uses transfers the gene animal drugs manufacture; (3) animal improvement; (4) foundation biology research.
以下为关联文档:
求一篇关于早恋的文章大哥,400—500字的很难的额。 自己努力的修改一下就可以了额。 青春的阳光` 青春就象一缕盛开的阳光,亮丽鲜活,,有着麦芽的饱满和花朵的骄艳.青春时代,我们有着如诗如画般的浪漫,...
求一篇关于梦的文章昨天晚上我去了从化碧水湾泡温泉。温热的泉水,强劲的水域按摩,让我浑身的肌肉彻底的松弛开来,感觉是从头皮到脚趾间的一种舒坦。回到旅店,在强烈的空调风环绕下,我很自然的抱紧了...
急求一篇关于课外活动的英语文章Some students like to participate actively in after class activities. They think after class activities are an integral part of school life. By going in for suc...
求一篇关于吸烟的文章It is reported that the number of teenage smokers has been on the rise in recent years, which has caused great concern among people in ail walks or life. There...
求一篇关于鼓励朋友的英语文章"A friend walk in when the rest of the world walks out." "别人都走开的时候,朋友仍与你在一起。” Sometimes in life, 有时候在生活中, You find a special friend; 你会找...
跪求一篇关于的文章累来源于动力 来自不屈不挠的精神 逛大街小巷,只听到叫嚷,举头望月光,看不到天窗,有没有一个想去的地方,不用再流浪 古今中外,伟人们凭借无形的力量来赢得胜利。而那无形的力量来...
关于团队的作文求一篇关于班级团结的文章求一篇大约400字的关于集同学们,当你坐在宽敞明亮的教室里和大家一块儿学习上课时, 当你和朋友们一起游戏,一起活动,一起劳动时,当你和伙伴共同解决了学习生活中遇到的困难时,你是否感受到了同学之间那份...
跪求一篇关于英语谚语的文章适合做3分钟演讲的谢谢A Curse Can Be a Blessing in Disguise A famous saying goes that “A curse can be a blessing in disguise”. Simple as the saying is, its meaning is profound and...
求一篇关于科学的文章!金属也有记忆 记忆历来被认为是生物,特别是高等生物所特有的功能。但是,材料科学家在研究中发现,某些金属也有记忆功能。 20世纪60年代,美国海军军械实验室的科研人员,用55%的镍...