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.
Metabolism is a combination of chemical reactions that are spontaneous and release energy and chemical reactions that are non-spontaneous and require energy in order to proceed. Living organisms must take in energy via food, nutrients, or sunlight in order to carry out cellular processes.
Mitosis is important for a number of factors: 1Development and growth:as an organism grows the cells are added to the body by mitosis 2 Cell replacement:when old â¦ cells die the exact copies of cells replace them due to mitosis 3Regeneration:some organisms like sea star have the ability to regenerate their body parts they do so by mitosis 4 Asexual reproduction:some organisms like hydra produce genetically similar offsprings through assexual reproduction.During this process mitosis forms a ...