关于原肠胚和囊胚的比较，以下说法不正确的是-最需题库

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1某一细胞能够通过细胞膜从环境中吸收物质Q。进行实验得到下列结果：（1）当溶液中Q的浓度低于细胞中Q的浓度时，也会发生Q的吸收；（2）只在有氧时才发生Q的吸收；（3）物质Q的吸收随温度而变化，而且有一最适温度。哪些实验结果说明Q的吸收不是以扩散作用为主的？
A.只有（1）和（2）能说明
B.只有（2）能说明
C.只有（1）能说明
D.都不能说明
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2为了解基因结构，通常选取一特定长度的线性DNA分子，先用一种限制酶切割，通过电泳技术将单酶水解片段分离，计算相对大小；然后再用另一种酶对单酶水解片段进行降解，分析片断大小。下表是某小组进行的相关实验。<table style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-COLLAPSE: collapse; 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; mso-table-layout-alt: fixed" border="1" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1.5pt solid; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 41.4pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1.5pt solid; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext 1.5pt; mso-border-bottom-alt: solid windowtext .5pt" rowspan="8" width="55">已知一线性DNA序列共有5000bp（bp为碱基对）</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 72pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1.5pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext 1.5pt; mso-border-left-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .5pt" width="96">第一步水解</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1.5pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-left-alt: .5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: 1.5pt; mso-border-right-alt: .5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" width="79">产物（单位bp）</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 132.3pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1.5pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-left-alt: .5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: 1.5pt; mso-border-right-alt: .5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" width="176">第二步水解</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1.5pt solid; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-left-alt: solid windowtext .5pt" width="116">产物（单位bp）</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 1"><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 72pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext 1.5pt; mso-border-left-alt: solid windowtext 1.5pt; mso-border-top-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .5pt" rowspan="4" width="96">A酶切割　</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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 1.5pt" width="79">2100</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 132.3pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-left-alt: .5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: 1.5pt; mso-border-right-alt: .5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" rowspan="4" width="176">将第一步水解产物分离后，分别用B酶切割</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-left-alt: .5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: .5pt; mso-border-right-alt: 1.5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" width="116">1900 200</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 2"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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="79">1400</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-right-alt: solid windowtext 1.5pt" width="116"> 800 600</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 3"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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="79">1000</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-right-alt: solid windowtext 1.5pt" width="116">1000</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 4"><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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; mso-border-bottom-alt: solid windowtext 1.5pt" width="79">500</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" width="116">500</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 5"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 72pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-left-alt: 1.5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: .5pt; mso-border-right-alt: .5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" rowspan="3" width="96">B酶切割　</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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 1.5pt" width="79">2500</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 132.3pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; 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 1.5pt" rowspan="3" width="176">将第一步水解产物分离后，分别用A酶切割</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-left-alt: .5pt; mso-border-top-alt: 1.5pt; mso-border-bottom-alt: .5pt; mso-border-right-alt: 1.5pt; mso-border-color-alt: windowtext; mso-border-style-alt: solid" width="116">1900 600</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; HEIGHT: 16.5pt; mso-yfti-irow: 6"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: #000000; 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="79">1300</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 16.5pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-right-alt: solid windowtext 1.5pt" width="116">800 500</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; HEIGHT: 15pt; mso-yfti-irow: 7"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 59.6pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15pt; BORDER-TOP: #000000; 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="79">1200</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 87.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-right-alt: solid windowtext 1.5pt" width="116">1000 200</td></tr><tr style="PAGE-BREAK-INSIDE: avoid; mso-yfti-irow: 8; mso-yfti-lastrow: yes; mso-row-margin-right: 87.1pt"><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: windowtext 1.5pt solid; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 41.4pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt" valign="top" width="55"> </td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 72pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext 1.5pt; mso-border-left-alt: solid windowtext 1.5pt; mso-border-top-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .5pt" width="96">经A酶和B酶同时切割</td><td style="BORDER-BOTTOM: windowtext 1.5pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 191.9pt; PADDING-RIGHT: 5.4pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1.5pt solid; PADDING-TOP: 0cm; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext 1.5pt" width="256" colspan="2">1900 1000 800 600 500 200</td><td style="BORDER-BOTTOM: #000000; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm; BORDER-TOP: #000000; BORDER-RIGHT: #000000; PADDING-TOP: 0cm; mso-cell-special: placeholder" width="116"> </td></tr></tbody></table>由实验可知，在这段已知序列上，A酶与B酶的识别序列分别为几个？
A.1 ，1
B.2，2
C.3，2
D.4，3
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3下表列有细胞在生长之前（阶段Ⅰ）和之后（阶段Ⅱ）有关细胞大小的一些数据：<table border="1" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr><td valign="top"> </td><td valign="top">长度</td><td valign="top">直径</td><td valign="top">壁厚度</td><td valign="top">细胞体积</td><td valign="top">液泡体积</td></tr><tr><td valign="top">阶段Ⅰ</td><td valign="top">26μm</td><td valign="top">24μm</td><td valign="top">2m</td><td valign="top">12 600m<sup>3</sup></td><td valign="top">600m<sup>3</sup></td></tr><tr><td valign="top">阶段Ⅱ</td><td valign="top">36m</td><td valign="top">330 m</td><td valign="top">2m</td><td valign="top">336 000 m</td><td valign="top">273 000 m<sup>3</sup></td></tr></tbody></table>当细胞从阶段Ⅰ过渡到阶段Ⅱ时发生了什么？
A.只吸收水分
B.只吸收水分和合成纤维素
C.只吸收水分和合成蛋白质
D.既吸收水分，又合成纤维素和蛋白质
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4下列关于植物体细胞杂交或植物细胞质遗传的叙述，错误的是
A.利用植物体细胞杂交技术可克服生殖隔离的限制，培育远缘杂种
B.不同种植物原生质体融合的过程属于植物体细胞杂交过程
C.两个不同品种的紫茉莉杂交，正交、反交所得F1的表现型一致
D.两个不同品种的紫茉莉杂交，F1的遗传物质来自母本的多于来自父本的
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5在胚胎工程中，转基因动物培育、核移植等必须用到的两项技术是①动物细胞培养 ②克隆 ③减数分裂 ④胚胎移植
A.①②
B.②③
C.①④
D.②④
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6在植物细胞工程中，当原生质体融合成一个细胞后，需要诱导产生出细胞壁，参与这一过程的细胞器是
A.叶绿体、高尔基体
B.线粒体、高尔基体
C.叶绿体、线粒体
D.线粒体、内质网
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7“稻-萍-鱼”是一种生态农业模式，在该系统中，虽有危害水稻的病菌、害虫和杂草，但鱼的活动可起到除虫、松土和增氧的作用，红萍叶片内的蓝藻固氮可促进红萍和水稻生长；农户还可进行养殖（猪）和沼气生产。关于该生态农业的叙述，错误的是
A.水稻和红萍分层分布，能提高光能利用率
B.存在捕食、竞争、寄生、互利共生等种间关系
C.使整个生产过程进入了废物资源化的良性循环
D.实现了能量在系统中的多级循环利用
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