用某种绿色植物轮藻的大小相似叶片分组进行光合作用实验:已知叶-最需题库

试卷相关题目

1下列是有关胚胎工程的叙述，正确的是
A.培养胚胎干细胞时需抑制胚胎干细胞的生长和分化
B.“试管动物”的产生属于无性生殖
C.将原肠胚的内细胞团均等分割，可以获得同卵双胞胎或多胞胎
D.体外受精时需要做卵母细胞的采集和培养
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2低磷酸酯酶症是人类的一种遗传病。有一对夫妇的表现都正常，他们的父母也都表现正常，且妻子的父亲完全正常，而母亲是该病的携带者，丈夫的妹妹患有低磷酸酯酶症。则这对夫妇所生的两个表现正常孩子（非同卵双生子）都为纯合子的概率是多少？（）
A.1/3
B.19/36
C.5/24
D.36/121
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3下列关于人体免疫的叙述中，错误的是（）
A.抗体主要分布于血清中，在组织液和外分泌液中也有分布
B.效应T细胞能释放白细胞介素
C.病毒感染人体时，只能依靠细胞免疫发挥作用
D.HIV能够攻击人体的免疫系统，使患者丧失大部分免疫功能
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4试管婴儿、试管苗和克隆羊三者均属于生物工程技术的杰出成果，下面叙述正确的是
A.都属于无性生殖能保持母本性状
B.都涉及细胞工程的技术范围
C.都充分体现了体细胞的全能性
D.都不会发生基因重组和变异
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5下列有关细胞分化的叙述，正确的是
A.原肠胚的形成与囊胚细胞的分裂和分化直接有关
B.红细胞的形成与基因表达有关而与细胞分化无关
C.胡萝卜叶肉细胞脱分化形成愈伤组织后不具全能性
D.癌细胞的产生与细胞的畸形分化无直接关系
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6下列能正确表示高等动物胚胎发育顺序的是
A.受精卵→囊胚→卵裂→原肠胚→组织器官的分化
B.卵→卵裂→原肠胚→组织器官分化
C.受精卵→囊胚→原肠胚→幼体
D.受精卵→桑椹胚→囊胚→原肠胚→组织器官的分化
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7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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8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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9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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10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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