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How is photosynthesis related to chemical energy in coal?

How are light and chemical energy related in photosynthesis? Your help would be great!?

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    you ask an interesting question. I guess I'll have to answer it just like the rest of the experts here on yahoo answers. Light is being used as photosyntesis to make sugar and used and stored as energy. Light energy which is used to synthesize energy is stored at night so plant cells can utilize it during the night to give off oxygen as waste while carbon dioxide also is processed when taken in at exaclty the same process of oxygen being dispelled. Higher level course in molecular biology cover this sort of topic extensively. If you're studying this in college right now, good for you. There's tons and tons of information needed to be absorb by you to completely appreciate what cells and biology is all about. Good enough, yes?

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How much time do you have? Entire courses in graduate school are devoted to this subject so it depends on how detailed an answer you want. :) To put it very simply, photosynthesis uses light energy to split water and carbon dioxide to form glucose (or sugar), with oxygen as a byproduct. Glucose can be utilized by plants, and the animals that eat them, to provide energy. So chemical energy (glucose), cannot be formed without the input of light energy.

Ivan

CO2 + H2O + Energy from light --> C6H12O6 + O2 (chemical equation not balanced) shows that a combination of chemical energy from the break down and reformation of molecules is all powered by light in photosytnthesis.

jimmyjoerayjohn

http://en.wikipedia.org/wiki/Photosynthesis Photosynthesis uses the energy of light to make the sugar, glucose. A simple general equation for photosynthesis follows. carbon dioxide + water + light energy → glucose + oxygen + water (note from another site with detailed pictures of the workings of a leaf... "six molecules of water plus six molecules of carbon dioxide produce one molecule of sugar plus six molecules of oxygen" http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookPS.html ) Photosynthesis occurs in two stages. --------- In the first phase light-dependent reactions or photosynthetic reactions (also called the Light reactions) capture the energy of light and use it to make high-energy molecules. ----------During the second phase, the light-independent reactions (also called the Calvin-Benson Cycle, and formerly known as the Dark Reactions) use the high-energy molecules to capture carbon dioxide (CO2) and make the precursors of glucose. hit the website for more details!! hope I helped -dawgy

Sumdawgy

A photosynthetic reaction in chlorophyll uses light energy to reduce the molecule NAD into the energy storing molecule NADH via an electron transport chain mechanism. Then, carbon dioxide (1-carbon molecule) is absorbed from the atmosphere. The energy stored in the NADH molecule is used to synthesize glucose (6-carbon molecule) from the carbon dioxide (1-carbon molecules).

ybdogsct

light activates the chloropasts which produce chemical energy which is what feeds the plant

Sarah E

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