图甲为细胞膜结构示意图,图乙为突触结构示意图。下列相关叙述

 图甲为细胞膜结构示意图,图乙为突触结构示意图。下列相关叙述正确的是  (      )








A. A
B分别表示蛋白质与磷脂分子,二者均属内环境成分

B. M侧为肠道, N侧则是毛细血管腔

C.C的释放表明突触前膜具有选择透过性

D. CD结合后突触后膜膜电位可转变为外负内正

答案

D

相关题目

The number of the children in the school ________ about three hundred. ________
The number of the children in the school ________ about three hundred. ________ of them________ from the countryside.A. is; 20 percents; are  B. is; 20 percent; are C. are; 20 percent; is   D. are;
下列各组词语中,有两个错别字的一组是( ) A.瞌睡 赦免
下列各组词语中,有两个错别字的一组是( ) A.瞌睡 赦免 囤积居奇 待自闺中    B.倥偬 桑梓 眉青目秀 邈无人烟 C.赊账 搀兑 目不交睫 光阴荏苒
已知向量,将其绕原点逆时针旋转后又伸长到原来的倍得到
已知向量,将其绕原点逆时针旋转后又伸长到原来的倍得到向量,则           .
如图14-11-2所示是测量内外电路上电压的装置,电压表V和V′
如图14-11-2所示是测量内外电路上电压的装置,电压表V和V′分别测量什么电压?若V、V′的读数分别为1.15 V和0.85 V,电源的电动势为多大?若滑动变阻器所
如右图中的水平桌面足够长,不计托盘质量和滑轮与绳的摩
如右图中的水平桌面足够长,不计托盘质量和滑轮与绳的摩擦.物体A重10N,当物体B重为3N时,物体A向右做匀速直线运动,要使物体A向左做匀速直线运
--- Do you know _____? --- Next Sunday. A. what they will do     B. what w
--- Do you know _____? --- Next Sunday. A. what they will do     B. what will they do C. when will they come   D. when they will come
已知:如图,正方形ABCD的边长为6,将其绕点A顺时针旋转30°
已知:如图,正方形ABCD的边长为6,将其绕点A顺时针旋转30°得到正方形AEFG,FG与BC相交于点H.(1)求证:BH=GH;(2)求BH的长.       
The thief fell to the ground, his left foot _____ and blood _____ down from his
The thief fell to the ground, his left foot _____ and blood _____ down from his mouth. A. breaking; running     B. broken; running C. breaking; run         D. broken; run

最新题目