【简答题】马铃薯的2n=48,是个四倍体。曾经获得马铃薯的单倍体,经细胞学的检查,该单倍体在减数分裂时形成12个二价体。据此,你对马铃薯染色体组的组成成分是怎样认识的?为什么?
【单选题】China's new graduates are simply going to have to adjust to a new reality.
【单选题】不同的细分市场之间的顾客需求具有( )。
【判断题】马铃薯的 2n=48 ,是个四倍体,曾获得马铃薯的单倍体,经细胞学检查,发现该单倍体在减数分裂时形成 12 个二价体,可知马铃薯是个同源四倍体。
【简答题】Who's building the new China? It's not the factory owners or the business men and women of China. It's someone else. We see them every day, They work day and night in the terrible working conditions a...
【单选题】女性,31岁,足月自然产后3天,下腹疼痛,体温正常,恶露多,有臭味,宫底脐上一指,子宫体软,考虑
【单选题】在同类产品市场上,同一细分市场的顾客需求具有较多的共同性,不同细分市场之间的需求具有较多的( )。
【多选题】The China’s four most famous gardens are ( ).
B.
the Mountain Resort of Chengde
D.
the Fisherman’s Net Garden
E.
the Humble Administrator’s Garden