2011届山东省泰安市初中学业水平考试冲刺模拟生物试题
※题型：单选题※知识点：单选题※试题难度：容易<br>在低倍镜下观察碘液染色的洋葱表皮细胞装片时,细胞结构中染色最深的部位是( )<br><tbody><br>A.细胞壁<br>B.细胞膜<br>C.细胞核<br>D.液泡<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/CB5D0E93FD90C262D98BC61E2167E220.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人的生长发育和受损细胞修复<img itype="gif" src="https://picture1.zhihuicn.com/2/170808FD2B6001CC7310FCAF4CC2165F.gif"style="vertical-align:middle;VERTICAL-ALIGN:middle;">、更新离不开（ ）<br>A<img itype="gif" src="https://picture1.zhihuicn.com/2/52D66090865297B992661BB7FEFA2F46.gif"style="vertical-align:middle;VERTICAL-ALIGN:middle;">.蛋白质 B.糖类 C.脂肪 D.维生素<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7A3FAFE53B29F005E2BB3B89B4B8957C.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/14CC5D4DBB230F9157437F86B109FB44.png"><br><br>
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