一般认为细胞的发现者是________,细胞学说的提出者为________和________。
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内质网是合成脂类分子的细胞器,________内质网是合成蛋白质的主要场所。
According to Chomsky, the task of a linguist is to determine from the data of performance the underlying system of rules that has been ()
生物结构和功能的基本单位是
A. 细胞器
B. 原生质
C. 基本颗粒
D. 胞体和胞核
E. 细胞
Chomsky's competence' and performance are similar in meaning to Saussure‟s langue and parole.()