It is difficult to treat tuberculosis infections because the bacterium:
A) has no antigens on its cell surface.
B) infects a region of the body with little contact from immune cells in the circulatory system.
C) has developed resistance to many antibiotics.
D) it is small and attaches itself to the surface of cells in the lungs.
Correct Answer:
Verified
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A)gene mutation
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C)genetic
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A)infected lung macrophages.
B)opsonized
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