The process of cellular respiration, which converts simple sugars such as glucose into co2 and water, is an example of see concept 8.1 (page 144) the process of cellular respiration, which converts simple sugars such as glucose into co2 and water, is an example of see concept 8.1 (page 144) an endergonic pathway a pathway in which the entropy of the system decreases a catabolic pathway a pathway that occurs in animal cells but not plant cells