MCAT Question

Which of the following is an example of a naturally occurring catabolic process? 

Cellular Respiration

In the cell, metabolism is defined as the chemical reactions that occur within the cell to sustain life. Metabolism can further be divided into anabolism( the synthesis of new compounds) and catabolism (breaking down of substances).  DNA replication, photosynthesis, protein synthesis are all anabolic processes, that require the use of energy to make new compounds. In cellular respiration, glucose is broken down to produce ATP. 

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