關於Mycobacterium tuberculosis及Mycobacterium bovis之生化特性，下列敘述何者正確？
nitrate reduction試驗M. tuberculosis為陽性，M. bovis為陰性
niacin accumulation試驗M. tuberculosis為陰性，M. bovis為陽性
pyrazinamidase試驗M. tuberculosis為陰性，M. bovis為陽性
M. tuberculosis生長緩慢，M. bovis生長快速
