下列现象中属于细胞编程性死亡的是

试卷相关题目

• 1能使植物细胞壁和细胞膜结构均破坏的一组酶是

  A.淀粉酶、纤维素酶、溶菌酶

  B.纤维素酶、果胶酶、蛋白酶

  C.果胶酶、溶菌酶、纤维素酶

  D.磷脂酶、淀粉酶、蛋白酶

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• 2下列有关线粒体和叶绿体的叙述，错误的是

  A.线粒体和叶绿体携带的遗传信息可以表达出来

  B.线粒体和叶绿体为双层膜结构，其内膜中酶的种类相同

  C.线粒体内膜向内折叠形成嵴，叶绿体类囊体堆叠形成基粒

  D.蓝藻没有叶绿体也能进行光合作用

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• 3下列关于癌细胞的叙述，错误的是

  A.癌细胞具有无限增殖的能力

  B.细胞癌变可以由病毒感染引发

  C.原癌基因只存在于癌细胞中

  D.癌细胞的转移与细胞间黏着性下降有关

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• 4下列关于动物机体神经递质和激素的叙述，错误的是

  A.递质和激素发挥作用后均失去活性

  B.有些神经细胞可以分泌激素

  C.神经细胞释放的乙酰胆碱需经血液运输发挥作用

  D.内分泌腺分泌的激素可通过血液运输作用与于靶细胞

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• 5有关神经系统的叙述，错误的是

  A.脊髓、脑干属于中枢神经系统

  B.位于大脑皮层的呼吸中枢是维持生命的必要中枢

  C.神经系统调节机体活动的基本方式是反射

  D.高级神经中枢和低级神经中枢对躯体运动都有调节作用

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• 6有关真核细胞DNA复制和转录这两种过程的叙述，错误的是

  A.两种过程都可在细胞核中发生

  B.两种过程都有酶参与反应

  C.两种过程都以脱氧核糖核苷酸为原料

  D.两种过程都以DNA为模板

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• 7现有与某种植物种子萌发有关的4组实验处理如下表。<table style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 23.4pt; BORDER-TOP: medium none; BORDER-RIGHT: medium none; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" border="1" cellspacing="0" cellpadding="0" _dj="MsoTableGrid"><tbody><tr style="HEIGHT: 16.5pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 59.4pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt" width="79">实验组</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 81.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" width="109">Ⅰ</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 81.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" width="109">Ⅱ</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 82.35pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" width="110">Ⅲ</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 82.05pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" width="109">Ⅳ</td></tr><tr style="HEIGHT: 65.2pt; mso-yfti-irow: 1; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 59.4pt; PADDING-RIGHT: 5.4pt; HEIGHT: 65.2pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" width="79">处理</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 81.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 65.2pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" valign="top" width="109">种皮完整，25℃蒸馏水浸泡24h</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 81.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 65.2pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" valign="top" width="109">机械破损种皮，25℃蒸馏水浸泡24h</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 82.35pt; PADDING-RIGHT: 5.4pt; HEIGHT: 65.2pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" valign="top" width="110">种皮完整,0.05%赤霉素水溶液25℃浸泡24h</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 82.05pt; PADDING-RIGHT: 5.4pt; HEIGHT: 65.2pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" valign="top" width="109">机械破损种皮，0.05%赤霉素水溶液25℃浸泡24h</td></tr></tbody></table>下列组合不能达到相应目的的是

  A.仅做Ⅰ组与Ⅱ组实验，可探究机械破损对该种子萌发的影响

  B.仅做Ⅰ组与Ⅲ组实验，可探究种皮完整条件下赤霉素对该种子萌发的影响

  C.仅做Ⅱ组与Ⅲ组实验，可探究赤霉素或机械破损对该种子萌发的影响

  D.仅做Ⅱ组与Ⅳ组实验，可探究机械破损条件下赤霉素对该种子萌发的影响

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