腹甲海龟或陆龟的''.'龟甲'. ''的腹部部分.The ventral part of shell of a turtle or tortoise.重要动物骨骼有鹿角 、 鼋甲、陆龟等.Important animal bone remains including antler, soft - shelled turtle and tortoise.陆龟与海龟有区别.A to...
组蛋白是一类结合在染色体上的蛋白质.Histones are a group of proteins that are associated with chromosomes.组蛋白是涉及到调控基因的蛋白质.Histones are proteins involved in regulating genes turned on and off.组蛋白的特点是大量的翻译后修饰,这些修饰可以影响基因转录.Histones are chara...
...downloadable games.可下载的游戏This course features a set of downloadable lecture notes.本课程的特点是有一套可下载的课堂讲稿.This course features a number of downloadable readings and a selective chronology of events Augustan Rome.本课程以许多可从网络...