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Introduction to Tuberculosis

By: Administrator, Views: 10487

Tuberculosis (TB) is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis generally affects the lungs, but can also affect other parts of the body. Most infections do not have symptoms, in which case it is known as latent tuberculosis. https://www.ppd...

Mycobacterium tuberculosis: Drug Resistance and Natural Selection

By: HWC, Views: 6498

The evolution of drug resistance in microorganisms, such as M. tuberculosis, that cause human diseases is of particular concern to biologists. When Mycobacterium tuberculosis infects the lungs of humans, it causes the disease tuberculosis, also called TB. Once infected, the lungs act as a new...

Tuberculosis Testing

By: Administrator, Views: 10755

Tuberculosis Skin Tests: - Test performed to identify the presence of the Tubercle bacilli. - The tine, Heaf, or Mantoux test are used.

Natural Selection, Species Isolation and Real World Example

By: HWC, Views: 7174

`Natural selection' is the process in which organisms with adaptive traits survive and breed in greater number than organisms without such traits. Eventually, almost all of the individuals in the population will have the same adaptive trait. This was the concept presented by Charles Darwin in ...