A:①②③
B:①②⑤
C:②④⑤
D:①③⑤
如图所示,A,B,C是三个圆柱形容器,分别装有水或酒精(ρ酒精<ρ水),A,C两容器中液体深度相同,B,C两容器的底面积相同,三个容器底部所受的液体压强分别为pA,pB,pC,下列判断正确的是( )
— Jim's mother dislikes cartoons in the Past, but now she likes to watch them with little Jim.
— Oh, just as the saying goes, .
①甲流病毒由于无细胞核,所以不含核酸
②乳酸菌内核酸、核苷酸、碱基的种类分别为2、8、5
③核酸彻底水解的产物有核苷酸、含氮碱基、五碳糖、磷酸
④核酸有遗传、变异、催化、调节、供能等作用.