問題詳情

11. Which source of stem cells has the greatest potential for producing different kinds of new stem cells?
(A) Umbilical cord
(B) Bone marrow
(C) Inner cell mass of blastocysts
(D) Fetuses
(E) Ectoderm

參考答案

答案：99

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中