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TLS Online TPP Program

#Question id: 10547

Which of the following responses are incorrect for closing of stomata?

#Section 6: Plant, Animal and Microbial Biotechnology
  1. Fusicoccin-induced plasma membrane hyperpolarization in guard cells causes massive K+ uptake and permanent stomatal closing
  2. MAMP flg22 appears to induce partial stomatal closure by inhibiting K+ uptake by guard cells
  3. mutant npq1 fails to show any blue light responses and causes closing of stomata
  4. Abscisic acid regulates seed maturation and stomatal closure in response to water stress
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TLS Online TPP Program

#Question id: 27434

#Section 5: Bioprocess Engineering and Process Biotechnology

The nature of the attachment of enzymes on support matrix by absorption technique is
TLS Online TPP Program

#Question id: 19956

#Section 5: Bioprocess Engineering and Process Biotechnology

On a glucose medium, the growth of an organism is characterized by the following Monod model and stoichiometric parameters μm = 0.3 h-1, Ks =0.05 g.l-1 and Yxs = 0.3 g.g-1 .When this organism is grown in a 2 litre continuous on a medium containing 10 g.l-1 of glucose added at 1 l.h-1, the steady state concentration of biomass in the reactor will be
TLS Online TPP Program

#Question id: 142

#Section 2: General Biology

Histidine has pKa values of 1.8, 6.0 (R-group) and 9.3 . At pH 8.0, the net charge on histidine is
TLS Online TPP Program

#Question id: 16873

#General Aptitude

Ten years have passed ……… my grandmother died.
TLS Online TPP Program

#Question id: 17207

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

A novel protein from a deep sea archaebacterium was identified and sequenced. The sequence is expected to be widely divergent from known sequences. Which scoring matrix will produce the most appropriate alignment in a search for homologs in the NCBI database?