TLS Online TPP Program

#Question id: 12907


The binding of a regulatory protein or transcription factor to a specific DNA site results in a complex which may be analyzed by the technique termed as _____

#Part-A Aptitude & General Biotechnology
  1. EMSA
  2. Assay
  3. Gel Retardation
  4. Electrophoresis
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TLS Online TPP Program

#Question id: 14272

#Part-B Specialized Branches in Biotechnology

Penicillin is produced by P. chrysogenum in a fed-batch culture with the intermittent addition of glucose solution to the culture medium. The initial culture volume at quasi-steady state is V0 = 500 l, and glucose-containing nutrient solution is added with a flow rate of F = 50 l/h. Glucose concentration in the feed solution and initial cell concentration are S0 = 300 g/l and X0 = 20 g/l, respectively. The kinetic and yield coefficients of the organism are mm = 0.2 h-1 , KS = 0.5 g/l, and YX/S = 0.3 g dw/g glucose. If qP = 0.05 g product/g cells h and P0 = 0.1 g/l, determine the product concentration in the vessel at t = 10 h

TLS Online TPP Program

#Question id: 4131

#Part-A Aptitude & General Biotechnology

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

TLS Online TPP Program

#Question id: 11281

#Part-B Specialized Branches in Biotechnology

Owls eat rats, mice, shrews, and small birds. Assume that, over a period of time, an owl consumes 5,000 J of animal material. The owl loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular respiration. What is the production efficiency of this owl?

TLS Online TPP Program

#Question id: 5245

#Part-A Aptitude & General Biotechnology

Which method of gene transfer involves direct contact between the bacteria?

TLS Online TPP Program

#Question id: 15596

#Part-B Specialized Branches in Biotechnology

To solve the equation 2 sin x = x by Newton-Raphson method, the initial guess was chosen to be x = 2.0. Consider x in radian only. The value of x (in radian) obtained after one iteration will be closest to