Respiration Respiration is an incredibly important process. For humans, it's the process of converting oxygen into carbon dioxide through the act of breathing. Answer and Explanation: The equation of aerobic cellular respiration is: C6H12O6 (glucose) + 6O2 (oxygen) -- 6CO2 (carbon dioxide) + ...
题目What is the purpose of respiration? A. To produce oxygen B. To store energy C. To release energy D. To absorb carbon dioxide 相关知识点: 试题来源: 解析 C。呼吸作用的目的是释放能量供生物体生命活动所需。呼吸作用消耗氧气产生二氧化碳,不是产生氧气和吸收二氧化碳,也不是储存能量。
呼吸;一口气;呼吸作用; respiration: the metabolic processes whereby certain ani *** s obtain energy from anic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be trported to the ...
A. Respiration B. Photosynthesis C. Digestion D. Reproduction 相关知识点: 试题来源: 解析 B。解析:植物通过光合作用制造自己的食物。文章中有关于植物生理过程的介绍。选项 A 呼吸作用是消耗氧气产生能量。选项 C 消化是动物的生理过程。选项 D 繁殖与制造食物无关。反馈...
What is respiration? Your body needs oxygen to live. Your two lungs are like an air pump that is operated by muscles. When you breathe in, the air comes into your body and is filtered in your lungs. Your blood picks up oxygen from the air. Breathe out and your lungs release carbon ...
What is the process by which plants lose water through their leaves? A. Respiration B. Transpiration C. Digestion D. Circulation 相关知识点: 试题来源: 解析 B。植物通过叶片散失水分的过程叫蒸腾作用。呼吸作用是 A 选项。消化作用是 C 选项。血液循环是 D 选项。
百度试题 结果1 题目What is the main function of the heart? A. Digestion B. Respiration C. Circulation of blood D. Filtration of toxins 相关知识点: 试题来源: 解析 C 反馈 收藏
面值1000元，票面利率10%，期限10年。（1）如果债券每年付利息一次，到期一次还本。请问当市场利率为9%时，债券定价应为多少？（2）如果债券每年付利息一次，到期一次还本。请问当市场利率为12%时，债券定价应为多少？（3）如果该债券到期一次还本付息，当市场利率9%时，请问债券定价应为多少？(元）( ）
A. Respiration B. Photosynthesis C. Combustion D. Decomposition 相关知识点: 试题来源: 解析 B。解析:在碳循环中,第一步是光合作用。植物通过光合作用从大气中吸收二氧化碳,这是碳进入生物群落的开始。呼吸作用是碳返回大气的途径之一,选项A错误。燃烧是碳释放到大气的另一种方式,不是第一步,选项C错误。分解...
A. Respiration B. Photosynthesis C. Digestion D. Circulation 相关知识点: 试题来源: 解析 B。本题考查科学术语。“Photosynthesis”意为光合作用,是植物制造自身食物的过程。“Respiration”指呼吸作用;“Digestion”指消化;“Circulation”指循环。反馈 收藏 ...