题目

Vampires (吸血鬼), creatures of myth, have been around in one form or another for centuries. Terrifying but also attractive, they are as popular in the early 21 st century as ever, as the current popularity of Twilight series, and its hero Edward Cullen, show. Vampires first appeared in fiction in the 1700s. in 1895 Irish novelist Bram Stoker published Dracula, introducing the world’s most famous vampire. But just what is it about these drinkers of human blood that continues to fascinate us? Speaking to Eric Lewis of the Times and Transcript website, academic Deborah Wells said that vampi绿色荧光蛋白(简称GFP)含有1条多肽链，由238个氨基酸组成，能发出绿色荧光。下列有关GFP的叙述不正确的是 [     ]A．在控制GFP合成的基因中，脱氧核苷酸的数量应该大于1428个B．合成GFP的转录过程需要RNA聚合酶和游离的脱氧核苷酸等参与C．将GFP整合到胚胎干细胞中，可用于胚胎发育中细胞的标记定位D．转入GFP基因的植物细胞能发出荧光说明该基因在植物中成功表达