Glucose molecules produced during photosynthesis contain higher levels of carbon-12 than carbon -13 because

Question

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Carbon-12 reacts slightly faster than carbon-13 during photosynthesis because it is lighter and thus more easily incorporated into organic compounds by plants. This kinetic isotope effect leads to a higher concentration of carbon-12 in glucose molecules produced through photosynthesis.

Glucose Molecules Produced During Photosynthesis Contain Higher Levels of Carbon-12