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有关动物细胞有丝分裂的叙述,正确的是

发布时间:2024-07-15

A.细胞板在细胞有丝分裂末期形成

B.同源染色体配对通常发生在分裂前期

C.在分裂末期,细胞膜内陷形成两个子细胞

D.在分裂中期,两个中心粒复制形成两组中心粒

试卷相关题目

  • 1下列关于叶绿体的描述,错误的是

    A.基粒由类囊体堆叠而成

    B.叶绿体被膜由双层膜组成

    C.暗反应发生在类囊体膜上

    D.类囊体膜上具有叶绿素和酶

    开始考试点击查看答案
  • 2下列关于糖的叙述,正确的是

    A.葡萄糖和果糖分子均有还原性

    B.葡萄糖和麦芽糖可被水解

    C.构成纤维素的单体是葡萄糖和果糖

    D.乳糖可以被小肠上皮细胞直接吸收

    开始考试点击查看答案
  • 3当某植物顶芽比侧芽生长快时会产生顶端优势, 其主要原因是

    A.侧芽附近的生长素浓度过高,其生长受抑制

    B.侧芽附近的生长素浓度较低,其生长受抑制

    C.顶芽附近的脱落酸浓度较高,其生长被促进

    D.侧芽附近的细胞分裂素浓度较高,其生长受抑制

    开始考试点击查看答案
  • 4下列叙述,错误的是

    A.血液中甲状腺激素增加时会促进垂体分泌促甲状腺激素

    B.血浆渗透压的大小主要取决于血浆中无机盐和蛋白质的含量

    C.内分泌腺分泌的激素释放到内环境中,然后作用于靶细胞

    D.淋巴中的淋巴细胞可以通过淋巴循环由锁骨下静脉汇入血液

    开始考试点击查看答案
  • 5成年大鼠血液中甲状腺激素浓度升高时,可能出现

    A.体温升高、耗氧量减少

    B.体温下降、耗氧量增加

    C.神经系统兴奋性提高、耗氧量增加

    D.神经系统兴奋性提高、体温下降

    开始考试点击查看答案
  • 6下列关于遗传信息传递的叙述,错误的是

    A.线粒体和叶绿体中遗传信息的传递遵循中心法则

    B.DNA中的遗传信息是通过转录传递给mRNA的

    C.DNA中的遗传信息可决定蛋白质中氨基酸的排列顺序

    D.DNA病毒中没有RNA,其遗传信息的传递不遵循中心法则

    开始考试点击查看答案
  • 7某同学分离纯化了甲、乙两种噬菌体的蛋白质和DNA,重新组合为“杂合”噬菌体,然后分别感染大肠杆菌,并对子代噬菌体的表现型作出预测,见表。其中预测正确的是 <table style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 34.05pt; 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="MsoNormalTable"><tbody><tr style="HEIGHT: 14.55pt; 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: 115.85pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt" rowspan="2" width="154">“杂合”噬菌体的组成</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 231.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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="309" colspan="2">实验预期结果</td></tr><tr style="HEIGHT: 6.8pt; mso-yfti-irow: 1"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">预期结果序号</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">子代表现型</td></tr><tr style="HEIGHT: 14.55pt; mso-yfti-irow: 2"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.85pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" rowspan="2" width="154">甲的DNA+乙的蛋白质</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" width="155">1</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" width="155">与甲种一致</td></tr><tr style="HEIGHT: 6.8pt; mso-yfti-irow: 3"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">2</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">与乙种一致</td></tr><tr style="HEIGHT: 14.55pt; mso-yfti-irow: 4"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.85pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" rowspan="2" width="154">乙的DNA+甲的蛋白质</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" width="155">3</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.55pt; 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" width="155">与甲种一致</td></tr><tr style="HEIGHT: 6.8pt; mso-yfti-irow: 5; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">4</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 115.9pt; PADDING-RIGHT: 5.4pt; HEIGHT: 6.8pt; 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" width="155">与乙种一致</td></tr></tbody></table>

    A.1、3

    B.1、4

    C.2、3

    D.2、4

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