Prior to replication the DNA in the nucleus is in the form of a tangled mass called

TLS Online TPP Program

#Question id: 3041

#XL - S Microbiology

Which statement about gram-negative bacteria is correct?

TLS Online TPP Program

#Question id: 3042

#XL - S Microbiology

Mycotoxins are formed during the end of

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#Question id: 3044

#XL - S Microbiology

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

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#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

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#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

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#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?