Sometimes a blunt cut is useful if you want to sort of grow a sticky end of your choice on it.
这时候钝切口很有用,尤其在你想获得选定的粘性末端的时候
do the procedure on them and grow you a new heart for a transplant.
将其进行培养成能够适合你自己的移植心脏。
So you try, if you can grow grain on your land or you grow it where you can, if not, you have to get it elsewhere.
所以你要有一个,如果你的土地适合耕种谷物,或者其它任何可以生产谷物的地方,如果不能,你就必须换个地方了
It used to be believed, and it's the sort of thing I would-- when I taught this course many years ago I would lecture on-- that neurons do not grow back once you lose them.
人们曾经相信,我在很多年前,教授这门课的时候,会告诉大家,一旦你的神经元受损,它们便无法恢复
You've probably seen agar plates, if you smear a solution that's contaminated with bacteria on it, then that bacteria will grow on this agar rich medium and you'll get many, many copies of the bacteria that you've smeared at low density onto the plate.
你们大概见过琼脂培养基,如果将有细菌的溶液涂抹在培养基上,细菌就会在富含琼脂的培养基上生长,你会得到许多许多细菌,即使你只涂抹了低浓度溶液
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