两个亚基聚合形成的空间结构
A.蛋白质一级结构B.蛋白质二级结构C.蛋白质三级结构D.蛋白质四级结构E.单个亚基结构
参考答案:D
组织学表现为恶性者所占比例很高的疾病是()
A.白斑
B.红斑
C.扁平苔藓
D.慢性盘状红斑狼疮
E.黏膜下纤维化
—Mum, this is my friend, Dave.
—______. [ ]
A. I don't like Dave
B. Sorry, I'm late
C. Glad to meet you, Dave
D. That's OK