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Biology Essay

678 words - 3 pages

Photosynthesis and Solar cells

In order for humans to live, as well as all living organisms, photosynthesis used by plants to create solar energy is essential. The way cells are created and regenerated is fascinating and we are still making new discoveries each and every day.
A solar cell converts light energy from the sun directly into electricity. Plant cells contains chloroplasts and absorbs light energy from the Sun. Plant growth and development are driven by continuous generation of new cells. (Inze, D. &DeVeylder, L. The plant cycle Annu.Rev Plant Biology, 54 235-236, 2006). There are several similarities in both cells. ATP in common in both plant cells and solar cells. ATP ...view middle of the document...

For an organism to grow and function properly, cells must constantly divide to produce new cells to replace old, worn-out cells. During cell division, it is essential that DNA remains intact and evenly distributed among cells. Chromosomes are a key part of the process that ensures DNA is accurately copied and distributed in the vast majority of cell divisions. They are different when we discuss climate. As for some plants in very dry weather, it will be hard for them to survive but in solar energy this is not the case. Solar cells are is inorganic while plant cells are organic. Plant cells will not survive without the proper amount of water and sunlight which solar cells are able to contain enough energy from sunlight to continue to produce electricity even on cloudy days. Law of thermodynamics tells us that energy can’t be created or destroyed and can be changed from one form to another. Some forms of energies can be lost in conversion and entropy increases. The loss of usable energy is usually in the form of heat. This applies to both solar and plant cells.

What is significant is the absolute distinction between the process of...

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