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We are proud to say that at this moment we can already replace 80% of the food-related animal tests with alternative methods, like a _____________ (2 words) test, which replaces the use of 300,000 _ (1 word) within the EU ____ (1 word).

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Our advanced equipment helps us to ________ (2 words) the exact composition of a product, and by using computer models we can determine if there are any components similar to known _ (1 word) and ____ (1 word).

The digested food is further studied using cultivated human cells and _________________ (3 words) on a microchip.

某体细胞内有染色体2N，在有丝分裂中是细胞分裂（）次，染色体复制（）次,子细胞染色体数目为（）；而母细胞在减数分裂中细胞分裂（）次，染色体复制（）次，子细胞染色体数目为（）。

DNA合成按照()到()方向进行，( )的DNA合成可连续进行，后随链的合成由不连续的短的（）组成。