Cold sores - painful sores on the lips and around the mouth, caused by a virus. Canker sores - painful sores in the mouth, caused by bacteria or viruses. Thrush - a yeast infection that causes white patches in your mouth. Leukoplakia - white patches of excess cell growth on the cheeks, gums or tongue, common in smokers.
Energy and Metabolism. All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments. Metabolism is the set of life-sustaining chemical processes that enables organisms transform the chemical energy stored in molecules into energy that can be used for cellular processes.
ATP provides an immediate source of energy for many processes vital for life; as a result, they play an important role in all aspect of living organisms' lives and without which, there would probably be no life on Earth. ...read more. The above preview is unformatted text.TP provides an immediate source of energy for many processes vital for life; as a result, they play an important role in all aspect of living organisms' lives and without which, there would probably be no life on Earth. ...read more. The above preview is unformatted text.