1. 细胞核:这样又造成了其它稳定的电子失去了与它配对的电子,变成了不稳定的奇数的电子,产生了自由基),它先侵蚀细胞膜(CELL MEMBRANE),既而进攻细胞核(CELL NUCLEUS),破坏核里的染色体(CHORMOSOME),即DNA,DNA被破坏以后,
1. The team created the beagles by infecting dog fibroblast cells with a virus that inserted the fluorescent gene into the cell nucleus.
2. The new technique seeks to condense and transfer only the donor's genetic material to a surrogate's egg instead of an entire cell nucleus.
3. The nucleus was then transferred to another dog's egg cell whose nucleus had been removed.
4. Researchers used a technology known as chromatin transfer, in which Nicky's DNA was transplanted into an egg cell whose nucleus had been removed.
5. The nucleus is replaced through a microscopic glass tube by the nucleus of a cell from the animal to be cloned.
6. Each egg had its nucleus replaced by a whole human embryonic stem cell from a batch held at the UK stem cell bank.
noun
1. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
1. a part of the cell containing DNA and RNA and responsible for growth and reproduction