In a plant, when the rate of respiration is less than the rate of photosynthesis, the volume of carbon dioxide that is released It increases.
At points where the rate of photosynthesis exceeds the rate of the cell battery, the cell is releasing more O2 than it is consuming. There is also a point where the rate of photosynthesis and the rate of cellular respiration equal each other, called the photic compensation point.
Therefore, oxygen released by photosynthesis is consumed in cellular respiration, and CO2 released in cellular respiration is consumed in photosynthesis. Therefore, gas exchange between the plant and the environment is null.
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