1 which of the following is not a nonspecific defense of the verbrate system? A. cells that ingest invading microbes B. antimicrobial proteins that kill pathogens C. immunoglobulin synthesis D. the inflammatory response E. the temperature response 解答给的是E 我很疑惑,请问一下我选的C 免疫球蛋白的合成难道不是 专一性免疫反应吗? 2. Hormones are all of the following except A .... B..... C they are produced in one part of the organism and transported to another D their effect is not depent on the nature of the tissue E.... 我选的是D而解答给C请问一下哪个对呢? 3. All of the following about flagella of bacteria are true except A ..... B they are used in feeding C they have similar function as mitochondia of eukaryotes D..... E...... 解答给C,想请问一下B的feeding 是啥意思,鞭毛如何执行呢? 4. when an RNA virus invade a cell , it typically first A..... B.... C..... D insert the RNA into a host chromosome E make a DNA copy of the viral RNA 前几年有考过一样的题目,但是解答分别给D 和E的答案,到底是哪一个呢? 谢谢 --

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