Medical Dictionary. arrhythmia. play. noun arÂ·rhythÂ·mia \Ä-Ërith-mÄ-É\. Medical Definition of arrhythmia. : an alteration in rhythm of the heartbeat either in time or force.
Central metabolism provides mechanisms for the generation of energy from carbon-energy source catabolism and the production of biosynthetic precursors and intermediates for the anabolic pathways essential to maintain cell structure and function.
Turnover. Metabolism is a dynamic process. The cell is continuously degrading and synthesizing molecule s. In general, the catabolic pathways are providing energy in the form of ATP that is used to drive the anabolic processes. Explain turnover rate and optimum conditions as related to enzymes.