ANTIBIOTIC SUSCEPTIBILITY TESTING. Bacteria demonstrate two kinds of resistance to antibiotics, namely intrinsic resistance and acquired resistance. Intrinsic resistance means that the species was resistant to an antibiotic even before its introduction.
Radiation is naturally present in our environment, as it has been since before the birth of this planet. In addition, radiation can be produced artificially, as in medical x-rays and microwaves for cooking. Nonetheless, most people are not aware of all the natural and man-made sources of radiation in our environment.
The energy released in a nuclear reaction can appear mainly in one of three ways: ... that does not mean that the reaction really occurs. Read more. Positive: 95 %. Nuclear energy is released when an unstable nucleus is ... to heat a plasma of Deuterium and Tritium and produce nuclear energy from this fusion reaction.