Definition: Given a scientific passage and an answer, generate a question for the given answer.
Input: Passage: All living thingseven the simplest life formshave a complex chemistry. Living things consist of large, complex molecules, and they also undergo many complicated chemical changes to stay alive. Thousands (or more) of these chemical reactions occur in each cell at any given moment. Metabolism is the accumulated total of all the biochemical reactions occurring in a cell or organism. Complex chemistry is needed to carry out all the functions of life. Answer: metabolism
Output:
What is the accumulated total of all the biochemical reactions occurring in a cell or organism called?