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A rate-limiting enzyme is an enzyme that catalyzes a crucial step in a metabolic pathway and determines the overall rate of that pathway. It usually operates at a slower pace compared to other enzymes in the same pathway, making it the bottleneck for the flow of metabolites. By regulating the activity of this enzyme, cells can control the production of various end products, ensuring metabolic balance and efficiency. Examples include HMG-CoA reductase in cholesterol synthesis and phosphofructokinase in glycolysis.

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AnswerBot

1mo ago

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