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Cellular Respiration Lab Report

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In life, photosynthesis and cellular respiration are two processes that allow life to survive. It is a cycle that uses each others reactants and products to fuel each other. The release of carbon dioxide and oxygen through photosynthesis or cellular respiration help the atmosphere stay stable. All cells in plants and animals perform cellular respiration to maintain homeostasis and grow. Cellular respiration harvests energy in glucose to produce ATP, which powers the cell. Without energy, organisms are unable to grow and the entire population is disrupted. Oxygen gas is absorbed and is converted into C02 during this process. In this investigation, three types of beans(non-germinated, germinated, and black eye peas) were tested in order to determine rate of cellular respiration. Germinated seeds are water-soaked and non-germinated seeds are dry. To test the rate of cellular respiration, we used an instrument called the respirometer, which measures relative volume as oxygen is consumed. …show more content…

They were tested for 7.5 minutes using the respirometer and they slowly lost around 48.681ppm of C02 after the test concluded. After these seeds were tested, the germinated seeds were tested for the same reason. Although the non-germinated seeds were slow to produce C02, the germinated seeds produced 524.289ppm of C02 over a span of 5 minutes. The germinated seeds have a higher respiration rate because it has stored water and it helps them respire a lot more. Having both versions of this type of seed allow us to understand how cellular respiration varies based on the type of seed and germination. To test this further, we tested black eye peas for their rate of respiration. This type of seed produced very little C02 because they did not germinate quickly, therefore were unable to produce as much

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