A stirrer has a power number (Np) 10. If the stirrer speed (N) is 1 s^-1 , its diameter D= 1 m and the density of the medium is 1000 kg/m3, the ungassed power input (P) in watts is

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#Question id: 15176

#Section 6: Plant, Animal and Microbial Biotechnology

Some Psychrophiles which can grow at maximum temperature of about 35°C, they are called as 

A. Obligatory psychrophiles

B. Facultative psychrophiles

C. Psychrotrophs

D. Mesophiles

Which combination given below is correct.

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#Question id: 15177

#Section 6: Plant, Animal and Microbial Biotechnology

Several mechanisms in alkalophiles for the maintenance of a neutral cytoplasmic pH have been proposed. The plasma membrane may be

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#Question id: 15178

#Section 6: Plant, Animal and Microbial Biotechnology

What does Salmonella typhimurium and E. coli synthesize as part of their acidic tolerance response.

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#Question id: 15179

#Section 6: Plant, Animal and Microbial Biotechnology

Escherichia coli, Neisseria gonorrhoeae, Trichomonas vaginalis bacterias are examples of

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#Question id: 15180

#Section 6: Plant, Animal and Microbial Biotechnology

A sterilization procedure known as autoclaving can kill bacteria except

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#Question id: 15182

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following types of effect are responsible for lowering the efficiency of electrophoresis?