The amoeba is a very simple organism.变形虫是很简单的生物体.It was an infectious organism that he studied.他研究的是一种可传染病菌的微生物.Genetic engineers transpose or exchange bits of hereditary material from one organism to the next.遗传工程师将某一生物...
Yeast is a single - celled organism complex to study for initial screening purposes.选择酵母是因为酵母是单细胞生物,便于研究.Fully understanding its harmfulness, one adopt preventive measurment to prevent organism invasion.充分了解其危害, 采取防范措施,防...