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Overview of the citric acid cycle. The citric acid cycle—also known as the Krebs cycle, Szent–Györgyi–Krebs cycle, or TCA cycle (tricarboxylic acid cycle) [1] [2] —is a series of biochemical reactions to release the energy stored in nutrients through the oxidation of acetyl-CoA derived from carbohydrates, fats, proteins, and alcohol.
The Krebs cycle, also known as the TCA cycle or Citric Acid cycle, is a biochemical pathway that facilitates the breakdown of glucose in a cell. Both citrate and malate involved in the citrate-malate shuttle are necessary intermediates of the Krebs cycle. [9]
Citric acid is an organic compound with the formula C 6 H 8 O 7. [10] It is a colorless weak organic acid. [10] It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. [10] More than two million tons of citric acid are manufactured every year.
It functions as a pace-making enzyme in the first step of the citric acid cycle (or Krebs cycle). [5] Citrate synthase is located within eukaryotic cells in the mitochondrial matrix, but is encoded by nuclear DNA rather than mitochondrial. It is synthesized using cytoplasmic ribosomes, then transported into the mitochondrial matrix.
I don't know how to port the .svg file into Wikipedia. Proposed caption The citric acid cycle is a series of enzymatic reactions carried out inside the inner membranes of the cell's mitochondria. The process begins when the two-carbon acetyl CoA enters the cycle and joins the four-carbon oxaloacetate to produce the six-carbon citrate.
Citric acid cycle compounds (9 P) Pages in category "Citric acid cycle" The following 9 pages are in this category, out of 9 total. This list may not reflect recent ...
Examples of catabolic processes include glycolysis, the citric acid cycle, the breakdown of muscle protein in order to use amino acids as substrates for gluconeogenesis, the breakdown of fat in adipose tissue to fatty acids, and oxidative deamination of neurotransmitters by monoamine oxidase.
The citric acid cycle is an example of a metabolon that facilitates substrate channeling. [1] [2] Another example is the dhurrin synthesis pathway in sorghum, in which the enzymes assemble as a metabolon in lipid membranes. [3]