273.两侧结构不对称，传递是单向的突触是
<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 273.两侧结构不对称，传递是单向的突触是<br><br><br>A.化学性突触<br>B.混合性突触<br>C.电突触<br>D.突触后膜<br>E.突触前膜<br><br>正确答案：A<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,14060);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《B18J基础知识(311题)》试卷<br><br>
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