Question 4 Which of the following statements is correct? Glycolysis is: O The production of glucose from pyruvate. O The oxidation of glucose into CO2 and oxygen. O The production of pyruvate from glucose. O The conversion of glucose to gluconic acid. Question 5 Which of the following statements is correct (note: there may be more than 1 correct response)? Glycolysis is: O a process by which one molecule of glucose is converted into two molecules of pyruvate requires 3 ATP in it its preparatory phase an 11-step process to breakdown glucose into pyruvate a process that produces 2 ATP and 2 NADH Question 15 Glucose 6-phosphate can be used for other purposes apart from energy production. Which of the following options is correct? O Glucose 6-phosphate can decrease cell proliferation. O Glucose 6-phosphate can increase reactive oxygen species. O Glucose 6-phosphate can be used for breakdown of fatty acids. Glucose 6-phosphate can be oxidised via the pentose phosphate pathway.
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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