Photosynthesis

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done was to make sure as little oxygen as possible was contained in the leaf material. This coused the experimrnt to run properly. If the leaf material was not placed in the dark, the dark reaction would not have occured using up all the oxygen. If there was still oxygen in the leaf material, the data collected would have been off. The reason for this is that the leaves would have risen to the top of the liqiud quicker, because they would not have had to make the totql amount of oxygen.
4. State you hypothesis for the directed experiment.
The leaves in the sodium bicarbonate will rise to the top of the syringes faster than the ones in the distilled water will.
5. Explain the differences in results between those disks in dH2O and NaHCO3.
The difference is that the NaHCO3 has more oxygen to offer and reacts quicker than dH2O.
6. State your hypothesis for step11.
If the concentration of NaHCO3 is raised from .5% ot 3% then the rate of photosyntesis will increase as ...

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