The younger bacteroid was elliptic and had a similar nucleus region in cell. The normal bacteroid had an intact membrane envelope and PHB granules.
幼年美菌体为椭圆形，里面有个拟核区，正常类菌体有完整的周膜和PHB颗粒。
The research results of SARS-Cov and MHV showed that it is possible that Coronavirus and other envelope virus have the similar membrane fusion mechanism.
对SARS冠状病毒和鼠肝炎冠状病毒（MHV）的研究表明冠状病毒也可能采用与其它囊膜病毒类似的膜融合机制。
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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