细胞核 DNA 成功地从一只1.3万年前的鸸鹋蛋壳和一只巨大的恐鸟蛋壳中被提取出来了。
Nuclear DNA was successfully extracted from a 13,000-year-old emu eggshell and a giant moa eggshel.
本研究旨在构建具有猪 MSTN 前肽基因定点突变的真核表达载体。
This research intended to construct a eukaryotic expression vector with a site-directed mutation of porcine MSTN propeptide gene.
那些在被和好斗老鼠关在一起之前没有跑步的老鼠的大脑视前内测核的神经元的活性要低得多。
The animals that had not run before moving in with the mean mice showed much less neuronal activity in these portions of the brain.
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