DNA复制之初,参与从超螺旋结构解开双股链的酶或因子是( )
A. 解旋酶
B. 拓扑异构酶I
C. DNA结合蛋白
D. 引发前体
E. 拓扑异构酶Ⅱ
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What are the coding schemes in the olfactory system and peripheral gustatory system?
A. (A) both are labeled-line coding
B. (B) both are population coding
C. (C) olfactory system is population coding while peripheral gustatory system is labeled-line coding
D. (D) olfactory system is labeled-line coding while peripheral gustatory system is population coding
Which is not the function of dorsal stream of the auditory cortical system?
A. (A) specializes in sound-source localization
B. (B) identifies auditory objects
C. (C) detects sound-source motion
D. (D) segregates spatial sound sources
Which brain area is responsible for controlling saccadic eye movement?
A. (A) superior colliculus
B. (B) caudate nucleus
C. (C) substantia nigra pars reticulata
D. (D) substantia nigra pars compacta
Which neuronal control system is responsible for the eyes to look at targets at different depths?
A. (A) vergence movements
B. (B) vestibulo-ocular reflexes
C. (C) optokinetic movements
D. (D) saccadic eye movements
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