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Leptin is effective in reducing weight but it’s many years away before humans ca
Leptin is effective in reducing weight but it’s many years away before humans ca
游客
2024-02-13
17
管理
问题
Leptin is effective in reducing weight but it’s many years away before humans can use it. [br] Both obese mice and normal mice have the ob gene.
选项
A、Y
B、N
C、NG
答案
A
解析
由文中第三段第四句“...Friedman...pinpointed the ob gene in both average-weight and obese mice”可知这两种老鼠体内都有ob基因。
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