A Spectrophotometric Analysis Of The Absorption Of Green Light Versus Red Light Absorption In Spinach Leaves
A Spectrophotometric Analysis of the Absorption of Green Light Versus Red Light Absorption in Spinach Leaves
The goal of the experiment was to determine if green light had less ability to absorb than red light in spinach leaves. This was done by separating the photosynthetic pigments (chlorophyll a, chlorophyll b, carotene and xanthophylls) from one another using paper chromatography. The separated pigments were then analyzed for their absorption spectrum using a spectrographometer. When the data was graphed it clearly showed the higher rate of red light absorption over green light. These results along with previous research indicate the importance of red light in photosynthesis and the minor role green light plays.
The majority of life on Earth depends on photosynthesis for food and oxygen. Photosynthesis is the conversion of carbon dioxide and water into carbohydrates and oxygen using the sun's light energy (Campbell, 1996). This process consists of two parts the......
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