LATEST HEADLINES Clint Eastwood Sets âThe 15:17 To Parisâ As Next Warner Bros Film. 4 hours ago. Annapurna Pictures Emerges As A Surprise Contender For The Rights To James Bond.
A: Cells use energy in order to grow, regulate metabolism and reproduce. This energy is obtained from a source such as food molecules or light from the sun, and through processes like glycolysis, the citric acid cycle and oxidative phosphorylation, an energy-rich molecule is then created.
Image: Cell featuring mitochondria. Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.Cells that need a lot of energy, like muscle cells, can contain thousands of mitochondria.Apart from cellular respiration, mitochondria also play a key role in the ageing process as well as in the onset of degenerative disease.t is for this reason that mitochondria are often referred to as the powerhouses of the cell. Cells that need a lot of energy, like muscle cells, can contain thousands of mitochondria.