光合作用暗反应变式题
by EpicCoder8866 lines3.8 KB
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<title>光合作用暗反应变式题</title>
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<h3>变式训练:光合作用暗反应物质变化</h3>
<p>已知某植物叶肉细胞在适宜的光照和CO₂浓度下进行光合作用,其暗反应中C₃和C₅化合物的相对含量保持稳定。此时,将该植物迅速转移到<b>光照持续过强(其他条件适宜且不变)</b>的环境中,短时间内叶绿体中C₃和C₅相对含量的变化趋势如图所示。</p>
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<svg width="360" height="220" viewBox="0 0 360 220">
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<line x1="50" y1="180" x2="320" y2="180" stroke="#333" stroke-width="2" marker-end="url(#arrow)"/>
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<text x="300" y="205" font-size="12" fill="#555">时间</text>
<text x="15" y="40" font-size="12" fill="#555">相对含量</text>
<text x="65" y="198" font-size="12" fill="#555">0</text>
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<line x1="160" y1="40" x2="160" y2="180" stroke="#aaa" stroke-width="1" stroke-dasharray="5,5"/>
<text x="170" y="60" font-size="12" fill="#888">条件改变</text>
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<polyline points="50,80 160,80 230,50 320,50" fill="none" stroke="#e74c3c" stroke-width="3" stroke-linejoin="round"/>
<text x="240" y="40" font-size="14" fill="#e74c3c" font-weight="bold">曲线A</text>
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<polyline points="50,120 160,120 230,160 320,160" fill="none" stroke="#3498db" stroke-width="3" stroke-linejoin="round"/>
<text x="240" y="185" font-size="14" fill="#3498db" font-weight="bold">曲线B</text>
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<marker id="arrow" markerWidth="10" markerHeight="10" refX="5" refY="5" orient="auto">
<path d="M0,0 L10,5 L0,10 Z" fill="#333"/>
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<p>下列相关分析中,<b>正确的是( )</b></p>
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<div class="option"><span>A.</span> 曲线A表示C₃化合物的浓度变化,曲线B表示C₅化合物的浓度变化</div>
<div class="option"><span>B.</span> 条件改变后,曲线A上升的直接原因是光反应提供的ATP和NADPH增多</div>
<div class="option"><span>C.</span> 若在条件改变前突然停止光照,则短时间内曲线A会呈上升趋势</div>
<div class="option"><span>D.</span> 条件改变后,叶绿体中C₃与C₅的浓度比值将逐渐减小</div>
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</html>Game Source: 光合作用暗反应变式题
Creator: EpicCoder88
Libraries: none
Complexity: moderate (66 lines, 3.8 KB)
The full source code is displayed above on this page.
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