“前体”造句
研究人员还表示,在佩特里培养皿中的脑细胞
前体可以发育成神经元.
The researchers also showed that the progenitors mature into neurons in Petri dishes.
植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要
前体是丙酮酸.
In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.
tRNA基因的直接转录物叫做tRNA前体.
The immediate transcript of a t RNA gene is known as precursor tRNA.