Renewable And Renewable Energy Sources Essay examples

Renewable And Renewable Energy Sources Essay examples

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Most of the energy sources used today are not renewable and are therefore not sustainable in the long term. Also, the method of burning fossil fuels is harmful to the environment due to the release of carbon emissions which leads to detrimental climate change. Finding an efficient and renewable source of energy to eventually replace fossil fuels is necessary in order to reduce the contribution to the buildup of carbon dioxide in the atmosphere, which has many implications on the biosphere. Some of the promising alternatives to non-renewable energy sources are biofuels. There are many different compounds, such as organic acids, that can be turned into biofuels. There are some challenges of using biofuels as a main energy source; one of the main challenges of producing biofuels on a large scale is the efficiency of the production. If the method does not produce enough biofuel to be used on a large scale or if it not cost efficient, it will not be suitable to replace the current energy source. This research will focus on the use of bacteria to produce compounds that can be easily converted into biofuels.
One type of bacteria that can be manipulated in order to produce products that can be converted into biofuels are cyanobacteria. Cyanobacteria are able to photosynthesize; if their photosynthetic and sugar storage pathways are manipulated, they should be able to efficiently produce organic acids in significant quantities. The problem of finding an efficient way to produce renewable energy sources and the problem of reducing the amount of carbon dioxide in the atmosphere can be addressed by using photosynthetic bacteria to produce biofuels.
Another method of biofuel production is through the dissociation of the high energy molecule li...


... middle of paper ...


...sly been shown that the mutants have decreased photosynthetic ability compared to wild type cyanobacteria. Increasing the photosynthetic efficiency can combat this problem and possibly even allow the mutant cyanobacteria to photosynthesize more efficiently than the wild type. Since the method of introducing a PSII antenna to photosynthesizing bacteria has been shown to improve photosynthetic efficiency, we can assume that a larger production of organic acids and pyruvate, compared to the control group, suggests that there was an increase in photosynthetic efficiency. If the change between the experimental ΔglgC cyanobacteria and the control ΔglgC cyanobacteria is not significantly different, it can be assumed there was a small impact on the photosynthetic efficiency since this mutant, ΔglgC cyanobacteria, has previously been shown to have decreased photosynthesis.


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