单选题
The 5S rRNA differs from the other cellular rRNAs in which of the following ways? ( )
A、
The genes are located outside the nucleolus(核仁).
B、
The genes are transcribed by RNA polymerase III.
C、
The promoter region of the 5S rRNA gene is internal to the gene.
D、
all of the above
【正确答案】
D
【答案解析】
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