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Biology

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Submitted By zelayyan
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Name: Zaid Elayyan
TA: Andrew Stafford

Pre-session homework (5 )

• Based on the results discussed in class (figures shown below) and the information in the photosynthesis documents, what direction(s) should the authors direct their future research?
• Make a list of possible questions they could ask (come up with at least 3)
• Choose one of those questions and write a hypothesis and prediction that the authors could test in a future experiment.

1) Future research that could be directed, after finalizing the result that GDC is located primarily in the leaves and primarily in C4 plants, by replicating the experiment with the exception that it rather be the comparison between C4 plants and C3-C4 intermediates Another direction could be faced toward applying the knowledge of GDC location in the leaves toward industrial research such as the enhancement of fabricated materials that prevent the exiting of gases because the special Sheath Bundle cells concentrate the CO2 and keep it from exiting after GDC decarboxylases the Glycine.

2) 1. Are the high concentrations of GDC located in the leaves associated with high concentrations of special Sheath Bundle cells? In other words, do concentrations of special Sheath Bundle cells differ between C3 and C4 plants according to location?
2. Do the same results from this experiment uphold in a comparison between C3-C4 intermediates and C4 plants?
3. Do concentrations of GDC transcribed in the mitochondrial leaf found in C4 plants differ between plants performing photorespiration and plants performing photosynthesis?

3) Hypothesis based on question 3: The Concentration of GDC between photorespirating plants is equal to the concentration found in photosynthesizing plants.

Prediction: The scheme of photorespiration is active even when photosynthesis occurs.

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