题目内容

下表表示某种食物中的4种氨基酸的含量和人体蛋白质中这4种氨基酸的平均含量。试问：如果人食用这种食物，在人体中发生下列哪种生理过程，才能使食物中的这4种氨基酸得到充分合理的利用（） <table style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-COLLAPSE: collapse; MARGIN-LEFT: 6.75pt; BORDER-TOP: medium none; MARGIN-RIGHT: 6.75pt; BORDER-RIGHT: medium none; mso-table-layout-alt: fixed; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-table-lspace: 9.0pt; mso-table-rspace: 9.0pt; mso-table-anchor-vertical: paragraph; mso-table-anchor-horizontal: page; mso-table-left: 102.0pt; mso-table-top: 2.95pt" border="1" cellspacing="0" cellpadding="0" align="left" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 15.35pt; 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: 109.15pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .5pt" width="146">氨基酸</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 62.25pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="83">丝氨酸</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">组氨酸</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">酪氨酸</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">甘氨酸</td></tr><tr style="HEIGHT: 14.65pt; mso-yfti-irow: 1"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 109.15pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.65pt; 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="146">食物中</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 62.25pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.65pt; 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="83">0.01g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.65pt; 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="87">0.10 g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.65pt; 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="87">0.05 g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 14.65pt; 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="87">0.20 g/g</td></tr><tr style="HEIGHT: 15.35pt; mso-yfti-irow: 2; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 109.15pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="146">人体蛋白质中</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 62.25pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="83">0.1 g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">0.23 g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">0.13 g/g</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 65.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.35pt; 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="87">0.04 g/g</td></tr></tbody></table>

2024-07-04

A.呼吸作用

B.转氨基作用

C.脱氨基作用

D.氧化作用

题目答案

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1下列关于哺乳动物体内三大营养物质代谢的叙述，不正确的是（）
A.用¹⁵N标记的苯丙氨酸饲喂小鼠后，在其体内检测不到¹⁵N标记的酪氨酸
B.当体内脂肪的分解速度加快时，意味着糖类的供应不足
C.肝细胞中内质网的功能出现障碍，脂蛋白的合成受阻
D.肝糖元和肌糖元去路的差异，与所在细胞功能密切相关
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2已知在离体的番茄根吸收K+与氧分压的关系实验中，当氧分压为5％～10％时，K+吸收量达到最高值。之后氧分压继续提高，一直到100％，K+的吸收量不再增加，对此，合理的解释是（）
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3表是某同学关于酶特性研究的实验操作步骤，该实验的假设是（）项目试管甲乙1 注入可溶性淀粉溶液 2mL －2 注入蔗糖溶液－ 2mL3 注入新鲜的蔗糖酶溶液 2mL 2mL4 适宜温度下保温5min5 注入斐林试剂 2mL 2mL6 酒精灯隔水加热1 min7 观察现象
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4在煮过的和没煮过的马铃薯片上分别滴几滴过氧化氢。在马铃薯片X上出现泡沫，在马铃薯片Y上没有泡沫，以下哪一项是正确的解释？（）
A.马铃薯片X是煮过的，因为过氧化氢只影响碳水化合物分解成单糖
B.马铃薯片X是煮过的，因为没煮过的马铃薯片酶能使过氧化氢不起作用
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6容积相同的几只玻璃缸，同龄且发育状态相同的小蝌蚪60只，蝌蚪常用饲料，未经处理的具有生物活性的甲状腺激素，50℃温水处理10分钟的原来具有生物活性的甲状腺激素等。用上述试剂、材料和用具设计实验探究甲状腺激素处理后的生物活性变化。实验方案见下表（√代表等量适量加入） <table style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; mso-table-layout-alt: fixed; mso-border-alt: solid windowtext .75pt; mso-padding-alt: 0cm 0cm 0cm 0cm; mso-border-insideh: .75pt solid windowtext; mso-border-insidev: .75pt solid windowtext; mso-cellspacing: 0cm" border="1" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 22pt; 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: 0cm; WIDTH: 63pt; PADDING-RIGHT: 0cm; HEIGHT: 22pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="84">玻璃缸编号</td><td style="BORDER-BOTTOM: windowtext 1pt solid; 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WIDTH: 63pt; PADDING-RIGHT: 0cm; HEIGHT: 14.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="84">乙</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 45pt; PADDING-RIGHT: 0cm; HEIGHT: 14.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="60">20</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 63pt; PADDING-RIGHT: 0cm; HEIGHT: 14.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="84">√</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 72pt; PADDING-RIGHT: 0cm; HEIGHT: 14.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="96">√</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 126pt; PADDING-RIGHT: 0cm; HEIGHT: 14.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="168"> </td></tr><tr style="HEIGHT: 7.1pt; mso-yfti-irow: 3; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 63pt; PADDING-RIGHT: 0cm; HEIGHT: 7.1pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="84">丙</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 45pt; PADDING-RIGHT: 0cm; HEIGHT: 7.1pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="60">20</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 63pt; PADDING-RIGHT: 0cm; HEIGHT: 7.1pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="84">√</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 72pt; PADDING-RIGHT: 0cm; HEIGHT: 7.1pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="96"> </td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; WIDTH: 126pt; PADDING-RIGHT: 0cm; HEIGHT: 7.1pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" width="168">√</td></tr></tbody></table>观察蝌蚪完成发育所需的天数，下列预期及分析得出的结论中，正确的有（）
A.现象：若发育所需的天数乙大于丙，结论：甲状腺激素处理后活性降低
B.现象：若发育所需的天数甲同于丙，结论：甲状腺激素处理后活性不变
C.现象：若发育所需的天数甲>丙>乙，结论：甲状腺激素能促进生长发育
D.现象：若发育所需的天数甲>乙>丙，结论：甲状腺激素处理后活性升高
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