Photosynthesis Experiment

Paper Summary:

This paper presents a series of laboratory experiments which determined first that the rate of photosynthesis is proportional to the light intensity lit on the subject. Second, it shows how the light-independent reactions were dependent on the ATP and NADPH from the light-dependent reactions to form glucose.

From the Paper:

"The most important source of energy for life on earth, photosynthesis is a process that we all rely on for our survival. In the cycle of life, oxygen is used by aerobic respiration and carbon dioxide is produced, which in turn is used in photosynthesis to produce oxygen and start the cycle over again. The two stages of photosynthesis, the light-dependent reactions and the light-independent reactions, are very different in their processes. In the following experiments we will study their relationship as well as the rate in which they produce oxygen. Using leaf discs with out oxygen, we will measure the amount of time it takes for these leaf discs to photosynthetically produce oxygen from water under varying light intensity. Our findings will show that the rate of oxygen production is proportional to the light intensity. Secondly, we will prove that the light-independent stage of photosynthesis is reliant on products from the light-dependent reactions in order to produce glucose. Our findings in both procedures will tell us much about the reactions in photosynthesis and the specific variables needed for its success."

More papers on Photosynthesis Experiment:

• Descriptive Essay # 141021 : "Experiment on Photosynthesis"
• Research Paper # 113877 : "Photosynthesis and Light"
• Research Paper # 114529 : "Light on Photosynthesis"

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