Which is Not Correct About Mycobacterium Species

Question

Which is not correct about Mycobacterium species?
A) All species are human pathogens.
B) Cell walls have waxy lipids.
C) It is an acid-fast bacterium.
D) It exhibits a very slow growth rate.
E) Cells appear as long, slender rods via microscopy.

Accepted Answer

Not all Mycobacterium species are human pathogens. Some species, such as Mycobacterium smegmatis, are non-pathogenic and are commonly found in the environment. The other statements about Mycobacterium species, including their cell wall composition, acid-fast nature, slow growth rate, and rod-shaped appearance, are correct.