Rearrangement of the β, γ, and δ loci begins during the

#Question id: 3042

#XL - S Microbiology

Mycotoxins are formed during the end of

#Question id: 3044

#XL - S Microbiology

If the pH indicator were left out of MacConkey agar, the medium would be

#Question id: 3045

#XL - S Microbiology

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

#Question id: 3046

#XL - S Microbiology

Which one of the following reagent used in differentiation of gram positive and Gram negative bacteria?

(P) Congo red                        (Q) Safranine

(R) Methylene blue                  (S) Iodine

#Question id: 3047

#XL - S Microbiology

A rapidly growing bacterial species such as E. coli exhibits a typical phase of growth cycle in liquid nutrient broth. If a bacterial culture has starting density 1000 cells/ml in log phase and after four hours cell density is 4000 cells/ml.  What is specific growth rate per hour? 

#Question id: 3048

#XL - S Microbiology

 If a bacterium regenerates from an endospore that did not possess any of the plasmids that were contained in its original parent cell, the regenerated bacterium will probably