The process of photosynthesis is the main source of energy, which it adopted the rest of the organisms. Photosynthesis is the process by which organic materials industry, mainly sugars, water, sunlight uc and carbon dioxide. Objects uc genius that can do this exercise all the plants are so called uc products. uc In addition to the plants there are kinds of bacteria that can do a representation Alkruvili.
The process of photosynthesis occurs in the inner membrane of the Edei (member within a cell) cell called chloroplasts. This Aledei present when plants and bacteria that were mentioned above. Alkrubast inside there is a building-like bags accumulated on behalf of Tillekoid, in the membrane matrix Aletilkoid several types of proteins, the vehicle is responsible for the light phase in the process of photosynthesis.
Protein first in the ranking is (PSII (photosystem II, which is very important to start the process, PSII is practically several proteins linked together and Tamal by. One of these proteins is responsible for the reduction of electrons from the water and called (OEC (Oxygen evolving complex. Process of reducing the water is a very difficult process and require a large amount of energy to speak spontaneously in nature. energy for this process is available by sunlight.
Sunlight picks up within PSII by type sensors (antennas) special sunlight uc wavelength of 680 and called the reaction center or P680 reaction center complex molecule of chlorophyll, which is practically Sabg (pigment) and this is the reason for the fact that the color of chloroplasts Green and the color of the leaves green.
After the capture of light and electrons from water shorthand these electrons carry a large amount of energy to see that Artha degrees in energy. These electrons carrying amounts for their lack of high-energy start by going to the compounds Her energy level is lower than, this transition in energy levels called the electron uc transport chain. Of course, the energy uc stored in Alaktronat uc with less progress in the series and see a drop in energy levels.
Protein is important else in the membrane Aletilkoid, the second in the ranking is Alsaitokrom CfB could this protein that receives electrons only if the form Blastoseinin plastocyanin, one of the proteins in the smooth transfer of electrons, but must be no charge (neutral) so is the introduction uc of two protons to form H + extra fluid from the outside to the inside Aletilkoid in order to draw the two electrons on the Alkuanin. After entering Blastoseinin to Saitokrom is released protons H + to the internal uc liquid of Tillekoid.
In the PSI electrons receive payment extra energy saving by the sun, and once again reflect electrons between several proteins with a drop in energy until finally reaching the molecule + NADP and draw to become NADPH this molecule is very important for the second division of the process of photosynthesis uc which occurs in Almitokhondria and way is the production of sugars upon which the food pyramid.
The ATP is produced by a protein present in the membrane Aletilkoid, on behalf of the ATP synthase protein exploits protons H +, which was introduced at different stages in the electron transport chain in order to produce the ATP necessary uc for the production of sugars. So without the electron transport chain can not produce ATP or NADPH and thus can not produce sugars.
See it summarizes what we explained above: the water is very important because he is the one who provides the electrons to start the series. Carbon dioxide is important for the second section of the installation process uc Aldoit produce sugars. The sun's rays, it is very necessary uc to provide the energy uc of electrons and thus enabling the continuation of the series. At the outputs uc see sugars. And oxygen, which results in the reduction of water in the PSII. Did you like the article? uc | Be socially and Share this article with your friends and acquaintances - worth spreading knowledge 15/05/2013
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