63.下列对电突触的叙述哪项是错误的?()
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=3&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 63.下列对电突触的叙述哪项是错误的?()<br><br><img src=""><br>A.突触间隙大约为2nm<br>B.突触前后膜阻抗较低<br>C.突触前动作电位是突触传递的直接因素<br>D.突触延搁短<br>E.通常为单向传递<br><br>正确答案:E<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,4474);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>
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