题目内容
原代细胞指从体内取出的组织,接种培养后的第( )次培养物:
查看答案
搜索结果不匹配？点我反馈
更多问题
配制平衡盐溶液需用
下列生理平衡盐溶液不含钙离子、镁离子的有:( )
Robert is the owner of an automobile manufacturing company. He calls for a board meeting and tells his directors that he wants to build a car that lets the users experience power and exhilaration. He tells them that the car must allow his users to soar from 0-60 mph in about 4 seconds. He also adds in that the price of the car must be affordable enough for anybody making a good salary. In accordance with the given scenario, Robert is trying to segment the market on the basis of ________.
二倍体细胞具有:( )
微信支付 
支付宝支付