Researchers in Japan have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ...

Metabolism close metabolismAll the chemical reactions in the cells of an organism, including respiration. is the term used for all the chemical reactions that happen inside an organism's body. Starch ...

In this study biokinetic and microbial growth coefficients for nitrate versus oxygen respiration in the activated sludge process were evaluated and compared. Two bench-scale activated sludge units ...

Mitochondria are double membrane bound cytoplasmic organelles present in most eukaryotic cells. They are responsible for aerobic respiration, producing energy for the cell, which they achieve through ...

Cells require energy for activities such as growth and cell division. In animals, muscle cells require energy for contracting and nerve cells require energy for transmitting nerve impulses. The energy ...