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【简答题】
( )位二进制数构成一个字节 byte ,第 0 位是最低位,第七位是最高位。
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皮皮学刷刷变学霸
举一反三
【单选题】If the glomerular filtration rate is too high, the macula densa sends a message tothe afferent arteriole. What is the effect of this message?
A.
Granular cells of arteriole walls release renin.
B.
Afferent arteriole dilates.
C.
It inhibits the action of ATP and adenosine on the afferent arteriole.
D.
Afferent arteriole constricts.
【单选题】Afferent collateral inhibition is mediated by
A.
membrane depolarization.
B.
decrease of the excitatory neurotransmitter released from the presynaptic terminal.
C.
exitatory neurotransmitter is catabolized.
D.
excitation of the inhibitiory interneuron.
E.
excitation of the excitatory interneuron.
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