题目内容
(请给出正确答案)
[主观题]
Geron plans to grow hES cells _______to reduce the risk of animal contamination.
A.on human feeder cell layers
B.on mouse feeder cell layers
C.without any feeder cells
D.on calf feeder cell layers
提问人:网友lixin080108
发布时间:2022-01-07