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cluponka [151]
3 years ago
11

Write a short discussion describing trends in the data: compare the control cups (distilled water) versus the experimental cups

(bicarbonate solution) and compare the light versus dark environments.
Biology
1 answer:
Eva8 [605]3 years ago
8 0

Answer:

The leaf discs only float in bicarbonate solution and in the light environment.

Explanation:

The bicarbonate dissolves in water to produce a source of inorganic CO2 in the reaction:

NaHCO3 + H2O → H2CO3 + OH- + Na+

Then, the HCO3- undergoes fixation through several complex steps in order to form a carbohydrate or sugar. These store the converted solar energy in their bonds as chemical energy to be used in metabolism.

Photosynthesis is a chemical process, essential to plant and other primary producers producing energy. Energy in the form of glucose molecules is derived from solar or light energy, water, and inorganic carbon dioxide, while it releases oxygen (from the light reaction). The leaf discs float as O2 gas is produced, making them buoyant.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Carbon dioxide + water + energy= glucose + oxygen

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