問題詳情
12. Which statements is/are CORRECT in regard to the operon of prokaryotes?
(A) A repressor protein can bind to an operator to prevent a gene from being expressed.
(B) Polycistronic mRNA transcribed from an operon contains several coding regions.
(C) Polycistronic mRNA encode proteins that usually function in different metabolic pathways.
(D) The lac repressor acts only on a specific operon.
(E) The trp repressor can regulate more than one set of genes.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增