The amount of cell respiration depends upon the degree of activity of the organism. 細胞呼吸量的大小由生物體活動的程度來決定。
Whereas cellular respiration is highly exergonic and releases energy, photosynthesis requires energy and is highly endergonic. 細胞呼吸作用是高度放能的,光合作用是需要能量並高吸能的過程。