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TLS Online TPP Program

#Question id: 10156

Which of the following statements is False about Rubisco?

#Section 2: General Biology
  1. Rubisco appears to have evolved from an ancient enolase in archaea methionine-salvage pathway

  2. The turn over number of rubisco is high in terms of carboxylation can only fixes 1 to 12 CO2 molecules per sec

  3. Rubisco is made up of eight nucleus encoded small subunits and eight plastids encoded large subunits
  4. Oxygenase activity of rubisco takes place at high temperature where its  affinity for CO2 reduces significantly
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TLS Online TPP Program

#Question id: 2996

#Section 2: General Biology

Cell death approximately equal to cell division is found in
TLS Online TPP Program

#Question id: 1977

#Section 2: General Biology

A patient can produce antibodies against some bacterial pathogens, but he does not produce antibodies against viral infections. This is probably due to a disorder in which cells of the immune system?
TLS Online TPP Program

#Question id: 14562

#Section 2: General Biology

Which of the following stains is/are considered differential?
TLS Online TPP Program

#Question id: 3878

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?
TLS Online TPP Program

#Question id: 27177

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Azotobacter vinelandii is cultured in a 15-m³ stirred fermenter for alginate produc- tion. Under current operating conditions, kLa is 0.17 s-1. The solubility of oxygen in the broth is approximately 8 × 10-3 kg m-3.
(b) The bacteria suffer growth inhibition after copper sulphate is accidentally added to the fermentation broth just after the start of the culture. This causes a reduction in the oxygen uptake rate to 3 mmol g-1 h-1. What maximum cell concentration can now be supported by oxygen transfer in the fermenter?.....g/l