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【单选题】
The Dead Sea is so salty ____ it’s hard for anything to live in it, ____ is why it’s called the Dead Sea.
A.
that, which
B.
that, that
C.
/, that
D.
/, what
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【单选题】Based upon their chemical compositions, proteins are divided into two major classes: one is simple proteins, and another is called ( ) proteins.
A.
animal
B.
globular
C.
conjugated
D.
fibrous
【简答题】设一分组码为 110110 ,它的码长为 __________ ,码重为 ___________ ,该分组码与另一分组码 100011 的码距为 __________ 。
【单选题】The proteins attached to the side of microtubule called ( ).
A.
PCM
B.
MTOC
C.
MAP
D.
MFAP
【多选题】下列是植物病毒自然传播的方式是
A.
主动传播
B.
空气传播
C.
雨水传播
D.
介体传播
E.
非介体传播
【单选题】使用rm -i命令,系统会提示用户确认( )。
A.
命令行的每个选项
B.
文件的位置
C.
是否有写得权限
D.
是否真的删除
【判断题】美国啦啦队运动以技巧啦啦队运动为主,技巧难度较高。
A.
正确
B.
错误
【单选题】Proteins in their functional, folded conformation are called _____ proteins.
A.
native
B.
unique
C.
intrinsic
D.
inherent
E.
natural
【单选题】Inwardly curved rafts in membrane called caveolae are especially enriched in proteins called __________.
A.
ankyrins
B.
caveolins
C.
spectrins
D.
floppases
【判断题】Ras is a member of a class of proteins called the small G proteins.
A.
正确
B.
错误
【简答题】Fhs是由一幅幅画面组成,实际上每一幅画面就是一个( ).
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