Cellular respiration is the process by which cells break down glucose to release energy in the form of ATP. This energy powers all the functions of li
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Why do plants photosynthesize during the day and respire at night?
Plants respire continuously, day and night, to release energy for growth and survival. During the day, photosynthesis produces more glucose than respiration uses, so there is a net gain of oxygen. At night, only respiration occurs, consuming glucose and oxygen.
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Can humans undergo anaerobic respiration?
Yes, human muscles use anaerobic respiration during intense exercise when oxygen supply is insufficient. Lactic acid fermentation produces quick energy but is less efficient than aerobic respiration.
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What happens to lactic acid after exercise?
Lactic acid is transported to the liver where it is converted back to glucose through a process called gluconeogenesis, or it is oxidized by other muscles that have sufficient oxygen supply.
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