(6分)根据表中的已知条件,判断苏氨酸的密码子是() <t…——2010 高考生物第 2 题答案解析

2010_天津 Paper

2010 Tianjin Question 2 Single-choice Differentiating
2010_天津 Paper

2.(6分)根据表中的已知条件,判断苏氨酸的密码子是(  )

<table><tr><td colspan="1" rowspan="2">DNA 双链</td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1">T</td></tr><tr><td colspan="1" rowspan="1">T</td><td colspan="1" rowspan="1">G</td><td colspan="1" rowspan="1"></td></tr><tr><td colspan="1" rowspan="1">mRNA</td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1"></td></tr><tr><td colspan="1" rowspan="1">tRNA</td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1"></td><td colspan="1" rowspan="1">A</td></tr><tr><td colspan="1" rowspan="1">氨基酸</td><td colspan="3" rowspan="1">苏氨酸</td></tr></table>

A. TGU
B. UGA
C. ACU
D. UCU
Answer key

C

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