Which_of_the_following_bacteria_requires_nicotinic_acid_as_a_growth_fa – McqOptions

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1.	Which_of_the_following_bacteria_requires_nicotinic_acid_as_a_growth_factor_in_their_media?$
A.	Proteus vulgaris
B.	Nitrosomonas sp.
C.	E. coli
D.	Leuconostoc mesenteroides
Answer» B. Nitrosomonas sp.

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