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Photosynthesis Lab Report ( Final) Aaron Chenbiol 101l-433

James Moore
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I. Introduction

Solar energy is the basis for most life on earth. This energy is trapped in the process called photosynthesis. Photosynthesis is a redox reaction, which requires carbon dioxide, water and light to produce water and oxygen. This can be written as: 6CO2 + 6H20 + light à C6H12O6 + 6O2. During this reaction, water is oxidized and carbon dioxide is reduced.

This process of photosynthesis consists of two separate reactions, the light/hill reaction and the dark reaction (Calvin Cycle). The method of changing light energy into chemical energy for the formation of NADPH from NADP+ and ATP is done through the light reactions, within the thylakoid.

The stroma, fluid within the chloroplast, then synthesizes the reaction. A substance, DPIP, is a blue dye functions as an indicator to identify the number of electrons moving within NADPH. When there is a flow of electrons, this indicator changes from blue to a colorless solution. The Calvin Cycle uses carbon dioxide and the products of light reactions such as ATP and NADPH to form compounds such as glucose.



Photosynthesis Lab Report ( Final) Aaron Chenbiol 101l-433

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