Thursday, May 1, 2008

How do antibiotics cause evolution in a population of tuberculosis bacteria


How do antibiotics cause evolution in a population of tuberculosis bacteria?
A. Antibiotics cause mutations in DNA of bacteria B. Antibiotics cause other types of resistant bacteria to change into tuberculosis bacteria C. Antibiotics kill bacteria without the resistance allele which leaves only resistant bacteria
Biology - 3 Answers
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1 :
C.
2 :
The answer is C No antibiotic is 100% so the few bacteria left that does have a resistance to the drug will now dominate the population.
3 :
C. This is BASIC stuff. If you don't know the answer to this question on your own, somebody is not teaching well ... or you are avoiding the learning of some KEY concepts



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