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In the electron transport chain, which in animal cells is located mostly on the inner membranes of mitochondria, reduced products such as NADH and FADH2 are used to create a proton gradient -- an imbalance in the concentration of unpaired hydrogen atoms on one side of the membrane vs. The proton gradient, in turn, drives the production of more ATP, in a process called oxidative phosphorylation.Overall, photosynthesis involves the energizing of electrons by light energy to reduce (add electrons to) CO2 to build a larger compound (glucose), producing oxygen as a byproduct.Cell respiration and photosynthesis are essentially opposite processes.
They are also necessary to the energy exchange that living things need to survive.
is the process by which green plants create their own food by turning light energy into chemical energy.
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are complementary processes by which living things obtain needed substances.
Basically, photosynthesis is a chemical process through which light energy is used to convert/assemble inorganic material (water and carbon dioxide) into organic molecules.
Organisms capable are referred to as autotrophs/photoautotrophs and include some bacteria (Cyanobacteria), algae and all plants.Cellular respiration takes place in the mitochondria of cells.While photosynthesis requires energy and produces food, cellular respiration breaks down food and releases energy.Cellular respiration is the biochemical breakdown of a substrate through oxidation, wherein electrons are transferred from the substrate to an "electron acceptor," which can be any of a variety of compounds, or oxygen atoms.If the substrate is a carbon- and oxygen-containing compound, such as glucose, carbon dioxide (CO Glycolysis, which takes place in the cytoplasm of a cell, breaks glucose down to pyruvate, a more "oxidized" compound.Given that photosynthesis is the only process through which light energy is used to assemble inorganic molecules into organic molecules that can be used as a source of energy by other organisms, it's without a doubt one of the most important chemical processes on earth.* The word autotroph comes from the Greek words "auto" and "trophe" which means "self" and "nourishment" respectively.Additionally, he is fascinated with ancient history.If you're seeing this message, it means we're having trouble loading external resources on our website.They both consume and create the same substances (water, glucose, oxygen, and carbon dioxide) but in different ways.Through these processes, plants obtain the carbon dioxide they need and living organisms obtain the oxygen they need.