human embryonic stem cell

In the embryonic stage, the testis is located in the scrotum.

embryonic stem cell，ES (胚胎干细胞)

The ethical issues of embryonic stem cell technology include A: the question of whether the embryo is "human" B: the question of What is the "human" C: the question of whether embryonic stem cells capacity of totipotency D: ethical and legal issues on whether destroying embryos is "killing"

The ethical issues of embryonic stem cell technology include A: the question of whether the embryo is "human" B: the question of What is the "human" C: the question of whether embryonic stem cells capacity of totipotency D: ethical and legal issues on whether destroying embryos is "killing"

10. Samuel Wood doesn't think embryonic stem cell research should be an emotional and contentious topic.

Embryonic stem cells (ES cells) are pluripotent stem cells derived from the outer cell mass of a blastocyst, an early-stage pre-implantation embryo._

Which embryonic germ layer is the human cardiovascular system derived<br/>from () A: Ectoderm B: Mesoderm C: Endoderm D: Intraembryonic coelom

获得 2007 年诺贝尔医学生理学奖的工作是关于哪一方面的? A: RNAi B: gene targeting C: embryonic stem cells D: RNA editing

mutations in genes can<br/>affect () A: Embryonic Development B: Tissue differentiation C: promote disease including<br/>cancer D: Normal life span of an<br/>individual E: All of the above