Embryonic stem cells (ES cells) are pluripotent stem cells derived from the outer cell mass of a blastocyst, an early-stage pre-implantation embryo._
举一反三
- 根据干细胞所处的发育阶段，可分为：（ ）。 A: 成体干细胞（somatic stem cell） B: 诱导的成体干细胞IPS cells(induced pluripotent stem cell) C: 胚胎干细胞（embryonic stem cell，ES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"
- Which of the following cell types is glioma derived from? A: Astrocytes B: Oligodendrocytes C: Neural stem cells D: Any of the above
- 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"
- which cell can only exit in small intestine: A: endocrine cells B: stem cells C: goblet cells D: Paneth cells E: absorptive cells