Glycolysis
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- Now we need to transfer those e- further down the chain, to make more protons! So let's welcome our little truck drivers, UQ which brings the e-’s from the dehydrogenases to the next protein, cyt-o-chrome B-C1 and then Cyto C, which brings the e-’s from cytochrome B-C1 to cytochrome oxidase.
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- Finally, a collection of protons are made to power ATP synthase. With all these protons, being drawn towards the oxygen, it needs somewhere to go. Oxygen, which is located by the cytochrome oxidase is the mastermind behind the process, drawing the electrons (in turn the protons) towards it. Now the protons rush through ATP synthase, to go back to the matrix. This makes enough energy to join an ADP and a phosphate to an ATP! Slide the protons through ATP synthase.
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- Great question! There are two kinds in cell respiration. One is called substrate level phosphorylation. This requires a helper, called an enzyme. The enzyme helps trade a phosphate from one molecule to another. The other one is called oxidative phosphorylation. This is when ADP is converted to ATP through energy made in the ETC. Oxidative needs redox reactions, which is just energy made from trading electrons!
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