In 1941, biologists exposed photosynthesizing cells to water containing a heavy oxygen isotope, designated 18 O The labeled isotope appears in the O 2 gas released in photosynthesis, showing that the oxygen came from the water Where would the 18 O have ended up if the researchers had used 18O label...

Photosynthesis reaction is as follows 6CO 2 6 H 2 O ...

In 1941, biologists exposed photosynthesizing cells to water containing a heavy oxygen isotope, designated 18 O. The

Question:

In 1941, biologists exposed photosynthesizing cells to water containing a heavy oxygen isotope, designated ¹⁸O. The “labeled” isotope appears in the O₂ gas released in photosynthesis, showing that the oxygen came from the water. Where would the ¹⁸O have ended up if the researchers had used 18O-labeled CO2 instead of H2O?

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