You can run, but you can't hide when it comes to bacteria. They can be found everywhere on earth, from Antarctica to the inside of your intestines! Some are good, aiding digestion and giving us tasty food like cheeses and yogurt. Many are harmful, causing serious diseases; these are called pathogenic bacteria.hey are often able to cure once-fatal diseases, such as the bacterial infection scarlet fever. Amoxicillin, penicillin, and erythromycin are common antibiotics that inhibit bacterial cell functions. Antibiotics are derived primarily from bacteria or fungi (mold), such as Penicillium.
Full Definition of OPTICS. : a science that deals with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it.ADVERTISEMENT.. : a science that deals with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it.
1 vote Vote for this answer. http://en.wikipedia.org/wiki/Optics. Optics (appearance or look in Ancient Greek) is a branch of physics that describes the behavior and properties of light and the interaction of light with matter.Optics explains optical phenomena. vote Vote for this answer. http://en.wikipedia.org/wiki/Optics. Optics (appearance or look in Ancient Greek) is a branch of physics that describes the behavior and properties of light and the interaction of light with matter. Optics explains optical phenomena.