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Where can pyruvate dehydrogenase be found?
Pyruvate dehydrogenase is typically found in the mitochondria of eukaryotic cells. It plays a critical role in the conversion of pyruvate into acetyl-CoA, a key step in the process of aerobic respiration.
Which process takes place in the cyctoplasm?
glycloysis
Is pyruvate an organic molecule?
A pyruvate is the salt of pyruvic acid, an organic acid, so yes.
Is pyruvate and pyruvic acid the same thing?
Yes, pyruvate and pyruvic acid refer to the same compound. Pyruvate is the ionized form of pyruvic acid, which is a key molecule in the process of glycolysis and plays a crucial role in cellular respiration.
What is the prduct of pyruvate processing?
Pyruvate processing, which occurs in the mitochondria, converts pyruvate into acetyl-CoA. During this process, one molecule of carbon dioxide is released for each pyruvate, and one NADH is generated. The acetyl-CoA then enters the citric acid cycle, where it plays a crucial role in cellular respiration. Overall, pyruvate processing prepares the carbon skeleton for further energy extraction.
What happens during glycloysis in celluar respiration?
Glycolysis is the first step of cellular respiration, occurring in the cytoplasm of the cell. During this process, one glucose molecule is broken down into two molecules of pyruvate, producing a net gain of two ATP (energy) and two NADH (electron carrier) molecules. The process involves a series of enzymatic reactions that convert glucose into intermediates and ultimately pyruvate, while also releasing a small amount of energy. Glycolysis is anaerobic, meaning it does not require oxygen.
Acetyl-CoA is formed from the breakdown of pyruvate?
Yes, acetyl-CoA is formed from the breakdown of pyruvate through a process known as pyruvate decarboxylation. This reaction occurs in the mitochondria, where pyruvate, derived from glycolysis, is converted into acetyl-CoA by the pyruvate dehydrogenase complex. During this process, one carbon atom is released as carbon dioxide, and NAD+ is reduced to NADH. Acetyl-CoA then enters the citric acid cycle, playing a crucial role in cellular respiration.
What does pyruvate contain?
Pyruvate is a three-carbon molecule derived from glucose metabolism. It plays a key role in cellular respiration, where it is converted into acetyl-CoA to enter the citric acid cycle for further energy generation.
Is pyruvate kinase in the muscle?
Pyruvate kinase is primarily found in the liver and red blood cells, but it is also present in muscle tissue. In muscle cells, it plays a crucial role in glycolysis, facilitating the conversion of phosphoenolpyruvate to pyruvate while generating ATP. However, the isoforms of pyruvate kinase in muscle (PKM) are distinct from those in other tissues, reflecting the specific metabolic needs of muscle cells.
Which are products of pyruvate dehydrogenase?
Pyruvate dehydrogenase complex react with pyruvate to form acetyl-CoA
What enzyme converts pyruvate into acetyl-CoA?
The enzyme that converts pyruvate into acetyl-CoA is pyruvate dehydrogenase. This multienzyme complex is responsible for catalyzing the conversion of pyruvate into acetyl-CoA, which is a key step in the metabolism of carbohydrates to produce energy.
How are the pathways of glycloysis and gluconeogenesis two sides of the same coin?
Glyoclysis (sugar break down) is a catabolic pathway of glucose where it is destined to provide energy or converted to other substance like glycogen or lipids. Gluconeogenesis on the other hand, is an anabolic process where glucose is produced from its non carbohydrate sources such as glucogenic amino acids, pyruvate,lactate,glycerol. The basis for both is "Glucose" (degradation or synthesis)
