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.
Animal cells get energy from food, while plant cells get energy from sunlight. All cells use chemical energy. â¢ Chemical energy is the energy stored in the bonds between atoms of every molecule. To stay alive, cells must be able to release (not create) the chemical energy in the bonds. â¢ A major source of energy for most cells is stored in a sugar molecule called glucose. When you need energy, cells release chemical energy from glucose. You need food energy to run, walk, and even sleep.