On the cell of expressing human tissue kallikrein for gene modification, rigid envelope material with bi-directional flowability is coated.
在基因修饰的表达人组织激肽释放酶的细胞上包覆着具有刚性和双向流通性的包膜材料；
Because MEL-28 remains attached to DNA during the entire process of cell division, the scientists believe it plays a crucial role early in the formation of the envelope.
由于MEL - 28蛋白在整个细胞分裂的过程中一直与DNA粘附在一起，科学见因此相信它在核膜形成的早期扮演了关键的角色。
A donor cell is fused to the egg by pulses of electricity, which break down the donor cell's outer membrane and allow the egg to envelope its new nucleus.
通过电流脉冲击破施主细胞的外层膜将其熔入卵内，使卵把这一新的细胞核裹住。
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