本题目来源于试卷: Continuity and Change D.2 Protein Synthesis，类别为 IB生物学
[单选题]
Why can a eukaryote produc7d-eei .zt c5p0*p xcme euy.on-h q 6j67s/qwza larger number of mRNA transcripts than the number of g q enhq76-uyw/o6.jsz enes in its genome?
A. Some mRNA transcripts are double-stranded.
B. There are genes that produce multiple different mRNA transcripts.
C. Not all mRNA transcripts are produced by genes.
D. Some mRNA transcripts are produced by other mRNA transcripts.
参考答案: B
本题详细解析:
| 
