下列生理过程不需要水作为反应物的是[]A．无氧呼吸B．呼吸作用C．ATP供能D．光合作用-高三生物

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• 若在酵母菌酒精发酵后期通入氧气，与不通氧气相比，酒精的产生量会[]A．增加B．减少C．不变D．先增加后减少-高一生物
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• 买罐头食品时，发现罐头盖上印有“如发现盖子鼓起，请勿选购”，引起盖子鼓起的最可能原因是[]A．好氧型细菌呼吸，产生CO2和H2OB．微生物呼吸，产生CO2和C2H5OHC．乳酸菌呼吸，产-高三生物
• 人体中的有氧呼吸和无氧呼吸[]A．都产生二氧化碳B．不可以同时进行C．产生的[H]去向不同D．中间产物都相同-高三生物
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• 有氧呼吸与无氧呼吸的相同点是①都在线粒体中进行②都需要酶③都需要氧④都产生ATP⑤都经生成丙酮酸的反应[]A．①②⑤B．②③④C．②③⑤D．②④⑤-高一生物
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• 人在剧烈运动时肌肉组织将葡萄糖分解有哪些产物？[]A．二氧化碳+酒精B．二氧化碳+水C．二氧化碳+水+乳酸D．乳酸-高三生物
• 下图表示人体在不同距离的跑步过程中，有氧呼吸和无氧呼吸供能的百分比(假设能量全部来自糖类的分解)。相关的正确说法是[]A．跑步距离越长，无氧呼吸供能所占比例越大B．跑步距-高三生物
• 将适量酵母放入5%葡萄糖溶液中摇匀后，等量分装到下列锥形瓶中，放置在相同的适宜温度环境条件下培养。10d后，产生酒精最多的是[]A．B．C．D．-高二生物
• My grandfather went to high school in the 1920s. While in school, he became in the drama program, ac
• 与有氧呼吸相比，无氧呼吸最主要的特点是[]A．分解有机物B．释放能量C．需要酶催化D．有机物分解不彻底-高一生物
• The summer before I went off to college, Mom stood me in her usual spot behind the ironing board (烫衣
• 在无氧条件下，高等植物利用葡萄糖进行呼吸作用最后形成[]A．CO2和H2OB．CO2和酒精C．乳酸D．丙酮酸和CO2-高三生物
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• 下图是某同学为了研究酵母菌的无氧呼吸所制作的一个实验装置。开始时锥形瓶中装有质量分数为2%的葡萄糖溶液，并在其中加入适量的酵母菌。实验过程中，刻度玻璃管中的有色液滴-高三生物
• 下列情况中，哪项能产生乳酸，并释放出少量能量①贮久了的苹果②马铃薯块茎的无氧呼吸③酵母菌的发酵④人体剧烈运动的骨骼肌⑤发芽的稻谷受水淹[]A．①③B．②④C．④⑤D．①⑤-高二生物
• 好氧细菌的需氧呼吸和厌氧细菌的厌氧呼吸产生CO2的场所分别是①细胞质基质②叶绿体③核糖体④线粒体[]A．①④B．②③C．④①D．①①-高二生物
• When I was a kid, my Mom liked to make breakfast food for dinner every now and then. And I remember
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• 在啤酒生产过程中，发酵是重要环节。生产过程大致如下：将经过灭菌处理的麦芽汁充氧，拌入啤酒酵母菌菌种后输入发酵罐。初期，酵母菌繁殖速度加快，产生白色泡沫，溶解氧逐渐-高二生物
• 有氧呼吸和无氧呼吸的相同之处是[]A．都有葡萄糖分解成丙酮酸的阶段B．所需的酶基本相同C．都是氧化分解有机物、释放能量的过程D．都产生CO2-高一生物
• 下列过程存在无氧呼吸的是[]A．植物叶片在光下放出O2B．动物细胞内的糖分解为H2O和CO2C．酵母细胞不产酒精的呼吸过程D．苹果贮藏期间果肉积累酒精-高二生物
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• 2005年7月，台风“海棠”引起连续暴雨，影响苏北沿海地区，造成玉米植株较长时间进行无氧呼吸而导致大面积死亡，原因是[]A．产物酒精使蛋白质变性，细胞死亡B．无氧呼吸产生的热-高一生物
• Please excuse me if I’m a little sad today because Mark is leaving．You probably don’t know Mark，but
• 下列装置中的鲜奶最容易变酸的是[]A．B．C．D．-高二生物
• 阅读下面短文，掌握其大意，然后从1~15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 I have been blessed with the opportunity in m
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• 一运动员正在进行长跑锻炼，从他的大腿肌细胞中检测到3种化学物质，其浓度变化如下图所示，图中P、Q、R三条曲线依次代表[]A．O2、CO2、乳酸B．乳酸、CO2、O2C．CO2、O2、乳酸D．-高一生物