Step 1. Draw five big boxes in a line down the middle of your page along a vertical axis. (see the template attached HERE (doc) or HERE (pdf) for help. Step 1 is done for you as an example) Step 2: Write 1) Glycolysis, 2) Pyruvate Oxidation, 3) Citric Acid Cycle, 4) Electron Transport Chain, and 5) Chemiosmosis (in this order) inside these five boxes. Below each process name write WHERE in the cell it occurs. Step 3: Draw arrows going in and out of each box. Write IN and OUT on above the arrows. Each box represent multistep processes but you are focusing only on the INPUTS and OUTPUTS. Step 4. Now write down ALL the inputs and outputs of each step.
Electron Transport Chain
The electron transport chain, also known as the electron transport system, is a group of proteins that transfer electrons through a membrane within mitochondria to create a gradient of protons that drives adenosine triphosphate (ATP)synthesis. The cell uses ATP as an energy source for metabolic processes and cellular functions. ETC involves series of reactions that convert redox energy from NADH (nicotinamide adenine dinucleotide (NAD) + hydrogen (H)) and FADH2(flavin adenine dinucleotide (FAD)) oxidation into proton-motive force(PMF), which is then used to synthesize ATP through conformational changes in the ATP synthase complex, a process known as oxidative phosphorylation.
Metabolism
Picture a campfire. It keeps the body warm on a cold night and provides light. To ensure that the fire keeps burning, fuel needs to be added(pieces of wood in this case). When a small piece is added, the fire burns bright for a bit and then dies down unless more wood is added. But, if too many pieces are placed at a time, the fire escalates and burns for a longer time, without actually burning away all the pieces that have been added. Many of them, especially the larger chunks or damp pieces, remain unburnt.
Cellular Respiration
Cellular respiration is the cellular process involved in the generation of adenosine triphosphate (ATP) molecules from the organic nutritional source obtained from the diet. It is a universal process observed in all types of life forms. The glucose (chemical formula C6H12O6) molecules are the preferred raw material for cell respiration as it possesses a simple structure and is highly efficient in nature.
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