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The differences in photosynthesis and respiration in germinating and non-germinating peas may help us explain the adaptations plants have made to be successful organisms. Many plants generate seeds to produce their offspring and within these seeds is the genetic information they need to become mature, reproductive plants. Ten non-germinating peas were weighed, then placed in a sealed bottle and the concentration of CO2 was monitored for a period of ten to twenty minutes. This time was equally divided between light and darkness and was long enough to derive an accurate slope, and consequently photosynthesis and respiration rates, from changes in CO2 concentration. Then ten germinating peas were measured, using the same procedure. A total of two runs for germinating peas and a total of two runs for non-germinating peas were completed for this experiment. The rates derived from these procedures were then divided by its groups corresponding mass. This standardized results so that quantitatively the data was equivalent among trials and not skewed by differences in mass.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoThe experimental conditions in this research project were the pH of the water and dissolve carbon dioxide. These conditions led to testing for cellular respiration in photosynthesizing plant cells.
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