问题:Giemsa改良染色使嗜铬细胞呈()。A、绿色B、粉红色C、蓝色D、紫红色E、黄色...
Sunday, June 25, 2023
Monday, September 12, 2022
问题:蛋白质变性的实质是由于下列哪种键被破坏()A、盐键B、肽键C、氢键D、疏水键E、次级键...
Thursday, September 21, 2023
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:直接抑制次黄嘌呤-鸟嘌呤磷酸核糖转移酶而抑制嘌呤核苷酸的补救合成...
Saturday, September 17, 2022
问题:谷氨酰胺结构类似物,对嘌呤核苷酸和嘧啶核苷酸的合成都有抑制作用(...
Saturday, September 17, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
问题:与ABC法比较,SP法的特点是()。A、敏感性和特异性均下降,但背景更清晰B、特异性提高C、敏感性下降D、敏感性增强,特异性下降E、步骤更简便...
Saturday, April 6, 2024
问题:下列哪项是选择免疫组织化学染色方法最重要的原则?()A、敏感性B、安全性C、特异性D、简便性E、费用低廉...
Wednesday, October 5, 2022
Sunday, September 11, 2022
问题:引起梗死的最常见的原因是()A、淤血B、血管受压闭塞C、动脉内膜炎D、动脉痉挛E、血栓形成...
Tuesday, December 19, 2023
Monday, September 12, 2022
Sunday, September 11, 2022
Saturday, November 5, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:扩增产物是多条带时可采用的PCR产物分析法()。...
Saturday, September 17, 2022