Respiration is a series of reactions, but this summarises the overall process. Human muscle can respire anaerobically for short periods of time - even though the process is relatively inefficient, ...

The breakdown reactions that occur are catalysed by specific enzymes. If these enzymes are not present or functional then the reactions will not occur, so the breakdown of glucose is controlled by ...

The original version of this story appeared in Quanta Magazine. Take a deep breath. A flow of air has rushed into your lungs, where the oxygen moves into your bloodstream, fueling metabolic fires in ...

Plants and trees may seem pretty passive, but behind the scenes, their cells are working hard to put on a magic show. In this episode of Crash Course Botany, we’ll explore how the processes of ...