摘要: All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to ... 阅读全文
posted @ 2015-10-22 19:41 Phoebe815 阅读(149) 评论(0) 推荐(0) 编辑
摘要: There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have to firs... 阅读全文
posted @ 2015-10-22 09:39 Phoebe815 阅读(165) 评论(0) 推荐(0) 编辑