【判断题】【消耗次数：1】
目前已知的第二信使只有cAMP一种
①
正确
②
错误
参考答案：
复制
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相关题目
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T细胞活化的第二信号是指
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CD4与MHCⅡ分子间的相互作用
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CD8与MHCⅠ分子间的相互作用
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协同刺激分子与相应受体间的相互作用
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There goes the bell
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will arrive...is
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