1.兼可抑制真、原核生物蛋白质生物合成的抗生素是EHTMLCONTROLForms.HTML:Option.1A.放线菌酮HTMLCONTROLForms.HTML:Option.1B.四环素HTMLCONTROLForms.HTML:Option.1C.链霉素HTMLCONTROLForms.HTML:Option.1D.氯霉素HTMLCONTROLForms.HTML:Option.1E.嘌呤霉素满分：2分2.氨基酸是通过下列哪种化学键与tRNA结合的?CHTMLCONTROLForms.HTML:Option.1A.糖苷键HTMLCONTROLForms.HTML:Option.1B.磷酸酯键HTMLCONTROLForms.HTML:Option.1C.酯键HTMLCONTROLForms.HTML:Option.1D.氢键HTMLCONTROLForms.HTML:Option.1E.酰胺键满分：2分3.转录是DHTMLCONTROLForms.HTML:Option.1A.以前导链为模板HTMLCONTROLForms.HTML:Option.1B.以DNA的两条链为模板HTMLCONTROLForms.HTML:Option.1C.以编码链为模板HTMLCONTROLForms.HTML:Option.1D.以DNA的一条链为模板HTMLCONTROLForms.HTML:Option.1E.以RNA为模板满分：2分4.在真核细胞中，经RNA聚合酶Ⅱ催化的转录产物是DHTMLCONTROLForms.HTML:Option.1A.18SrRNAHTMLCONTROLForms.HTML:Option.1B.tRNAHTMLCONTROLForms.HTML:Option.1C.全部RNAHTMLCONTROLForms.HTML:Option.1D.mRNAHTMLCONTROLForms.HTML:Option.1E.28SrRNA满分：2分5.与CAP位点结合的物质是CHTMLCONTROLForms.HTML:Option.1A.RNA聚合酶HTMLCONTROLForms.HTML:Option.1B.操纵子HTMLCONTROLForms.HTML:Option.1C.分解（代谢）物基因激活蛋白HTMLCONTROLForms.HTML:Option.1D.阻遏蛋白HTMLCONTROLForms.HTML:Option.1E.cGMP满分：2分6.下列氨基酸中属于必需氨基酸的是BHTMLCONTROLForms.HTML:Option.1A.甘氨酸HTMLCONTROLForms.HTML:Option.1B.蛋氨酸HTMLCONTROLForms.HTML:Option.1C.酪氨酸HTMLCONTROLForms.HTML:Option.1D.精氨酸HTMLCONTROLForms.HTML:Option.1E.组氨酸满分：2分7.蛋白质的等电点是CHTMLCONTROLForms.HTML:Option.1A.蛋白质带正电荷或负电荷时的溶液pH值HTMLCONTROLForms.HTML:Option.1B.蛋白质溶液的pH值等于7时溶液的pH值HTMLCONTROLForms.HTML:Option.1C.蛋白质分子呈兼性离子，净电荷为零时溶液的pH值HTMLCONTROLForms.HTML:Option.1D.蛋白质分子呈正离子状态时溶液的pH值HTMLCONTROLForms.HTML:Option.1E.蛋白质分子呈负离子状态时溶液的pH值满分：2分8.含有两个羧基的氨基酸是CHTMLCONTROLForms.HTML:Option.1A.甘氨酸HTMLCONTROLForms.HTML:Option.1B.色氨酸HTMLCONTROLForms.HTML:Option.1C.天冬氨酸HTMLCONTROLForms.HTML:Option.1D.赖氨酸HTMLCONTROLForms.HTML:Option.1E.丝氨酸满分：2分9.真核生物在蛋白质生物合成中的起始tRNA是EHTMLCONTROLForms.HTML:Option.1A.亮氨酰tRNAHTMLCONTROLForms.HTML:Option.1B.丙氨酸