蛋白质的自我剪接(self-splicing)
参考答案:
指蛋白质具有自我催化能力,能将自身的某些部位切除的现象。
If you are feeling stressed, you should_____. [ ]
A. shout at your friends
B. share your problems with friends
C. quarrel with your friends
D. blame your parents
化脓性脑膜炎患儿脑脊液外观表现特点为
A.清晰透明B.毛玻璃样C.混浊呈脓性D.呈血性混浊E.静置24h有网状薄膜形成