Embryonic stem cells possess fascinating capacity of self-renewal and developmental potential,leading to significant pro......

Peach palm (Bactris gasipaes Kunth) has been micropropagated from pre-procambial cells that provide stem-like cell niche......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

目的研克人早期胚胎分割后单个卵裂球的继续发育与分化，探讨人早期胚胎卵裂球的全能性。方法采用胚胎分。割技术把35个人早期胚胎（2～8......

体细胞的全能性问题是生物学的重要问题之一。自Ｗｅｉｓｍａｎｎ在１９世纪中期提出了这个问题后，已在学术界争论了一百多年。最近由于基因工程方面的突......

Mammalian cell totipotency is a subject that has fascinated scientists for generations. A long lasting question whether ......