Why the bacterium Treponema pallidum is difficult to culture? – McqOptions

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1.	Why the bacterium Treponema pallidum is difficult to culture?
A.	Because it requires a great deal of water to reproduce
B.	Because it is unable to use carbohydrates as an energy source
C.	Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
D.	Because it requires extremely low temperature at which water freezes
Answer» D. Because it requires extremely low temperature at which water freezes

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