请用英语回答.Why is it necessary to transfer the nucleus of a somatic cell to the enucleated egg during the cloning process?

关于necessary.it is necessary to do sth.it is nec关于necessary. it is necessary to do sth. it is necessary to doing sth. 两者有什么区别?什么时候用to do .什么时候用 to doing?请回答, 请用英语回答：Why is image important to us? Do you feel it is a good idea to lend money to your friends why or why not?请用英语回答一下这个问题, 请大家用英文介绍莫斯科用英语回答关于莫斯科的几个问题：Where is it ：How big is it ：How old is it ：What can you do there ：What can you eat there ：Why is it good Why life is funny?请高手用英语回答一下,急用!请用英语作答… Explain what a brand is and why it is important?用英语回答 What is your greatest accomplishment in life? Why is it your greatest?这是外企招聘问的问题,请用英语回答!谢谢! What is your greatest accomplishment in life?Why is it your greatest?这是外企招聘问的问题,请用英语回答! 一道商务英语回答问题,Why is L/C favored in international trade?请用英语回答. Is it good for students to have part-time jobs?why?用英语回答! 请用英语回答.Why is it necessary to transfer the nucleus of a somatic cell to the enucleated egg during the cloning process? what is your favorite festival?why?请用英语回答,答案足够说两分钟. Why is cold running water helpful to treat a small burn?请用英语回答 Why is L/C favored in international trade?请用英语回答. Why is Shakesphere so great in English literature?请用英语回答哦! Do you think it is nescessary for children to learn a musical instrument?Why?回答下这个话题,用英语回答.. 请用英语回答这个问题!0 - 离问题结束还有 14 天 22 小时 Do you think it is important to develop students' ability to see things in fresh ways?Why or why not? 请用英语回答.100-200字左右Explain the Cartesian formula ‘I think,therefore I am.’ How is it related to Descartes’ view of personal identity?Does the cogito argument commit Descartes to solipsism?Why or why not