本题目来源于试卷: SL/HL Topic D1.2 Protein synthesis，类别为 IB生物学
[单选题]
2. How can different tissues in;qvvla3:pu9 o the same organism produce di g90 na6q64rbwmw* hlw(c ymz*fferent proteins?
A. The genetic code varies between cells.
B. Expression of different genes can be activated in different tissues.
C. There are different genes in the tissues of the same organism.
D. Tissues only contain the genes they need to manufacture protein.
参考答案: B
本题详细解析:
暂无
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